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| Author |
Kunstler, G.; Falster, D.; Coomes, D.A.; Hui, F.; Kooyman, R.M.; Laughlin, D.C.; Poorter, L.; Vanderwel, M.; Vieilledent, G.; Wright, S.J.; Aiba, M.; Baraloto, C.; Caspersen, J.; Cornelissen, J.H.C.; Gourlet-Fleury, S.; Hanewinkel, M.; Herault, B.; Kattge, J.; Kurokawa, H.; Onoda, Y.; Peñuelas, J.; Poorter, H.; Uriarte, M.; Richardson, S.; Ruiz-Benito, P.; Sun, I.-F.; Ståhl, G.; Swenson, N.G.; Thompson, J.; Westerlund, B.; Wirth, C.; Zavala, M.A.; Zeng, H.; Zimmerman, J.K.; Zimmermann, N.E.; Westoby, M. |
| Title |
Plant functional traits have globally consistent effects on competition |
Type |
Journal Article |
| Year |
2016 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
529 |
Issue |
7585 |
Pages |
204-207 |
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| Abstract |
Phenotypic traits and their associated trade-offs have been shown to have globally consistent effects on individual plant physiological functions, but how these effects scale up to influence competition, a key driver of community assembly in terrestrial vegetation, has remained unclear. Here we use growth data from more than 3 million trees in over 140,000 plots across the world to show how three key functional traits – wood density, specific leaf area and maximum height – consistently influence competitive interactions. Fast maximum growth of a species was correlated negatively with its wood density in all biomes, and positively with its specific leaf area in most biomes. Low wood density was also correlated with a low ability to tolerate competition and a low competitive effect on neighbours, while high specific leaf area was correlated with a low competitive effect. Thus, traits generate trade-offs between performance with competition versus performance without competition, a fundamental ingredient in the classical hypothesis that the coexistence of plant species is enabled via differentiation in their successional strategies. Competition within species was stronger than between species, but an increase in trait dissimilarity between species had little influence in weakening competition. No benefit of dissimilarity was detected for specific leaf area or wood density, and only a weak benefit for maximum height. Our trait-based approach to modelling competition makes generalization possible across the forest ecosystems of the world and their highly diverse species composition. © 2016 Macmillan Publishers Limited. All rights reserved. |
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Forestry and Forest Products Research Institute, Tsukuba, Japan |
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Cited By :1; Export Date: 29 January 2016 |
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no |
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EcoFoG @ webmaster @ |
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653 |
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Vleminckx, J.; Bauman, D.; Demanet, M.; Hardy, O.J.; Doucet, J.-L.; Drouet, T. |
| Title |
Past human disturbances and soil fertility both influence the distribution of light-demanding tree species in a Central African tropical forest |
Type |
Journal Article |
| Year |
2020 |
Publication |
Journal of Vegetation Science |
Abbreviated Journal |
J. Veg. Sci. |
| Volume |
31 |
Issue |
3 |
Pages |
440-453 |
| Keywords |
light-demanding species; moist tropical forests; past human disturbances; shade-bearer species; soil charcoal abundance; soil properties; tree community assemblages; wood-specific gravity; anthropogenic effect; forest canopy; forest ecosystem; shifting cultivation; soil fertility; soil property; tree; tropical forest; Cameroon |
| Abstract |
Questions: In vast areas of Central African forests, the upper canopy is presently dominated by light-demanding tree species. Here, we confront three hypotheses to explain this dominance: (a) these species have expanded their distribution because of widespread past slash-and-burn activities, as suggested by important charcoal amounts recorded in the soils of the region; (b) their abundance is rather explained by soil properties, as this guild establishes preferentially on favourable physico-chemical conditions for rapid growth; (c) soil properties have been substantially influenced by past human disturbances and those two effects cannot be disentangled. Location: Pallisco-CIFM logging concession, southeastern Cameroon (300,000 ha). Methods: We quantified soil charcoal abundance and measured ten soil variables at the basis of 60 target trees that belonged to a list of three long-living pioneer light-demanding (LLP) and four shade-bearer (SB) species. We identified all stems with a diameter at breast height (DBH) ≥ 20 cm within a distance of 15 m around each target tree. Species were characterised by their wood-specific gravity (WSG), which reflected their light requirement. Multiple regression models were used to quantify and test the relative effects of charcoal abundance and soil variables on the mean WSG of the 60 tree communities, as well as the abundance of three guilds: LLP, SB, and non-pioneer light demanders (NPLD). Results: The mean WSG was the only response variable significantly explained by soil variables and charcoal abundance combined. It was significantly negatively associated with soil calcium and Mg content and with charcoal abundance, with soil and charcoal influencing the mean WSG independently. Conclusion: Our study provides evidence that past human disturbances and soil fertility have independently promoted the establishment of light-demanding species in western Central African forests, thereby shedding light on tree community assembly rules in these ecosystems which remain considerably understudied compared to the tropical forests of other continents. © 2020 International Association for Vegetation Science |
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Forest is life, TERRA Teaching and Research Centre, Université de Liège – Gembloux Agro-Bio Tech, Gembloux, Belgium |
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Wiley-Blackwell |
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11009233 (Issn) |
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EcoFoG @ webmaster @ |
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970 |
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Aili, S.R.; Touchard, A.; Hayward, R.; Robinson, S.D.; Pineda, S.S.; Lalagüe, H.; Mrinalini; Vetter, I.; Undheim, E.A.B.; Kini, R.M.; Escoubas, P.; Padula, M.P.; Myers, G.S.A.; Nicholson, G.M. |
| Title |
An integrated proteomic and transcriptomic analysis reveals the venom complexity of the bullet ant Paraponera clavata |
Type |
Journal Article |
| Year |
2020 |
Publication |
Toxins |
Abbreviated Journal |
Toxins |
| Volume |
12 |
Issue |
5 |
Pages |
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| Keywords |
DRG neurons; Hyaluronidase; Neurotoxins; Paraponeritoxin; Phospholipases; Rp-Hplc; alpha latrotoxin; ant venom; arginine kinase; cathepsin; contig; defensin 2; hyaluronidase; icarapin; metalloproteinase; neurotoxin; novel toxin like protein; phospholipase; phospholipase A2; poneratoxin; proteome; serine proteinase; transcriptome; unclassified drug; amino acid sequence; ant; Article; liquid chromatography-mass spectrometry; neurotoxicity; nonhuman; Paraponera clavata; protein expression; proteomics; sequence database; tandem mass spectrometry; transcriptomics; venom gland |
| Abstract |
A critical hurdle in ant venom proteomic investigations is the lack of databases to comprehensively and specifically identify the sequence and function of venom proteins and peptides. To resolve this, we used venom gland transcriptomics to generate a sequence database that was used to assign the tandem mass spectrometry (MS) fragmentation spectra of venom peptides and proteins to specific transcripts. This was performed alongside a shotgun liquid chromatography-mass spectrometry (LC-MS/MS) analysis of the venom to confirm that these assigned transcripts were expressed as proteins. Through the combined transcriptomic and proteomic investigation of Paraponera clavata venom, we identified four times the number of proteins previously identified using 2D-PAGE alone. In addition to this, by mining the transcriptomic data, we identified several novel peptide sequences for future pharmacological investigations, some of which conform with inhibitor cysteine knot motifs. These types of peptides have the potential to be developed into pharmaceutical or bioinsecticide peptides. © 2020 by the authors. Licensee MDPI, Basel, Switzerland. |
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Faculty of Science, University of Nice, Nice, 06000, France |
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Mdpi Ag |
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20726651 (Issn) |
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EcoFoG @ webmaster @ |
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972 |
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Steidinger, B.S.; Crowther, T.W.; Liang, J.; Van Nuland, M.E.; Werner, G.D.A.; Reich, P.B.; Nabuurs, G.; de-Miguel, S.; Zhou, M.; Picard, N.; Herault, B.; Zhao, X.; Zhang, C.; Routh, D.; Peay, K.G.; Abegg, M.; Adou Yao, C.Y.; Alberti, G.; Almeyda Zambrano, A.; Alvarez-Davila, E.; Alvarez-Loayza, P.; Alves, L.F.; Ammer, C.; Antón-Fernández, C.; Araujo-Murakami, A.; Arroyo, L.; Avitabile, V.; Aymard, G.; Baker, T.; Bałazy, R.; Banki, O.; Barroso, J.; Bastian, M.; Bastin, J.-F.; Birigazzi, L.; Birnbaum, P.; Bitariho, R.; Boeckx, P.; Bongers, F.; Bouriaud, O.; Brancalion, P.H.S.; Brandl, S.; Brearley, F.Q.; Brienen, R.; Broadbent, E.; Bruelheide, H.; Bussotti, F.; Cazzolla Gatti, R.; Cesar, R.; Cesljar, G.; Chazdon, R.; Chen, H.Y.H.; Chisholm, C.; Cienciala, E.; Clark, C.J.; Clark, D.; Colletta, G.; Condit, R.; Coomes, D.; Cornejo Valverde, F.; Corral-Rivas, J.J.; Crim, P.; Cumming, J.; Dayanandan, S.; de Gasper, A.L.; Decuyper, M.; Derroire, G.; DeVries, B.; Djordjevic, I.; Iêda, A.; Dourdain, A.; Obiang, N.L.E.; Enquist, B.; Eyre, T.; Fandohan, A.B.; Fayle, T.M.; Feldpausch, T.R.; Finér, L.; Fischer, M.; Fletcher, C.; Fridman, J.; Frizzera, L.; Gamarra, J.G.P.; Gianelle, D.; Glick, H.B.; Harris, D.; Hector, A.; Hemp, A.; Hengeveld, G.; Herbohn, J.; Herold, M.; Hillers, A.; Honorio Coronado, E.N.; Huber, M.; Hui, C.; Cho, H.; Ibanez, T.; Jung, I.; Imai, N.; Jagodzinski, A.M.; Jaroszewicz, B.; Johannsen, V.; Joly, C.A.; Jucker, T.; Karminov, V.; Kartawinata, K.; Kearsley, E.; Kenfack, D.; Kennard, D.; Kepfer-Rojas, S.; Keppel, G.; Khan, M.L.; Killeen, T.; Kim, H.S.; Kitayama, K.; Köhl, M.; Korjus, H.; Kraxner, F.; Laarmann, D.; Lang, M.; Lewis, S.; Lu, H.; Lukina, N.; Maitner, B.; Malhi, Y.; Marcon, E.; Marimon, B.S.; Marimon-Junior, B.H.; Marshall, A.R.; Martin, E.; Martynenko, O.; Meave, J.A.; Melo-Cruz, O.; Mendoza, C.; Merow, C.; Monteagudo Mendoza, A.; Moreno, V.; Mukul, S.A.; Mundhenk, P.; Nava-Miranda, M.G.; Neill, D.; Neldner, V.; Nevenic, R.; Ngugi, M.; Niklaus, P.; Oleksyn, J.; Ontikov, P.; Ortiz-Malavasi, E.; Pan, Y.; Paquette, A.; Parada-Gutierrez, A.; Parfenova, E.; Park, M.; Parren, M.; Parthasarathy, N.; Peri, P.L.; Pfautsch, S.; Phillips, O.; Piedade, M.T.; Piotto, D.; Pitman, N.C.A.; Polo, I.; Poorter, L.; Poulsen, A.D.; Poulsen, J.R.; Pretzsch, H.; Ramirez Arevalo, F.; Restrepo-Correa, Z.; Rodeghiero, M.; Rolim, S.; Roopsind, A.; Rovero, F.; Rutishauser, E.; Saikia, P.; Saner, P.; Schall, P.; Schelhaas, M.-J.; Schepaschenko, D.; Scherer-Lorenzen, M.; Schmid, B.; Schöngart, J.; Searle, E.; Seben, V.; Serra-Diaz, J.M.; Salas-Eljatib, C.; Sheil, D.; Shvidenko, A.; Silva-Espejo, J.; Silveira, M.; Singh, J.; Sist, P.; Slik, F.; Sonké, B.; Souza, A.F.; Stereńczak, K.; Svenning, J.-C.; Svoboda, M.; Targhetta, N.; Tchebakova, N.; Steege, H.; Thomas, R.; Tikhonova, E.; Umunay, P.; Usoltsev, V.; Valladares, F.; van der Plas, F.; Van Do, T.; Vasquez Martinez, R.; Verbeeck, H.; Viana, H.; Vieira, S.; von Gadow, K.; Wang, H.-F.; Watson, J.; Westerlund, B.; Wiser, S.; Wittmann, F.; Wortel, V.; Zagt, R.; Zawila-Niedzwiecki, T.; Zhu, Z.-X.; Zo-Bi, I.C.; GFBI consortium |
| Title |
Climatic controls of decomposition drive the global biogeography of forest-tree symbioses |
Type |
Journal Article |
| Year |
2019 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
569 |
Issue |
7756 |
Pages |
404-408 |
| Keywords |
Fungi |
| Abstract |
The identity of the dominant root-associated microbial symbionts in a forest determines the ability of trees to access limiting nutrients from atmospheric or soil pools 1,2 , sequester carbon 3,4 and withstand the effects of climate change 5,6 . Characterizing the global distribution of these symbioses and identifying the factors that control this distribution are thus integral to understanding the present and future functioning of forest ecosystems. Here we generate a spatially explicit global map of the symbiotic status of forests, using a database of over 1.1 million forest inventory plots that collectively contain over 28,000 tree species. Our analyses indicate that climate variables—in particular, climatically controlled variation in the rate of decomposition—are the primary drivers of the global distribution of major symbioses. We estimate that ectomycorrhizal trees, which represent only 2% of all plant species 7 , constitute approximately 60% of tree stems on Earth. Ectomycorrhizal symbiosis dominates forests in which seasonally cold and dry climates inhibit decomposition, and is the predominant form of symbiosis at high latitudes and elevation. By contrast, arbuscular mycorrhizal trees dominate in aseasonal, warm tropical forests, and occur with ectomycorrhizal trees in temperate biomes in which seasonally warm-and-wet climates enhance decomposition. Continental transitions between forests dominated by ectomycorrhizal or arbuscular mycorrhizal trees occur relatively abruptly along climate-driven decomposition gradients; these transitions are probably caused by positive feedback effects between plants and microorganisms. Symbiotic nitrogen fixers—which are insensitive to climatic controls on decomposition (compared with mycorrhizal fungi)—are most abundant in arid biomes with alkaline soils and high maximum temperatures. The climatically driven global symbiosis gradient that we document provides a spatially explicit quantitative understanding of microbial symbioses at the global scale, and demonstrates the critical role of microbial mutualisms in shaping the distribution of plant species. © 2019, The Author(s), under exclusive licence to Springer Nature Limited. |
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Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway |
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Nature Publishing Group |
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00280836 (Issn) |
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EcoFoG @ webmaster @ |
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872 |
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Lehnebach, R.; Doumerc, L.; Clair, B.; Alméras, T. |
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Mechanical stress in the inner bark of 15 tropical tree species and the relationship with anatomical structure |
Type |
Journal Article |
| Year |
2020 |
Publication |
Botany |
Abbreviated Journal |
Bot. |
| Volume |
98 |
Issue |
1 |
Pages |
1-8 |
| Keywords |
Bark anatomical structure; Mechanical stress; Sclereids; Secondary phloem; Tree biomechanics; Tropical species |
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Recent studies have shown that the inner bark is implicated in the postural control of inclined tree stems through the interaction between wood radial growth and tangential expansion of a trellis fiber network in bark. Assessing the taxonomic extent of this mechanism requires a screening of the diversity in bark anatomy and mechanical stress. The mechanical state of bark was measured in 15 tropical tree species from various botanical families on vertical mature trees, and related to the anatomical structure of the bark. Significant tensile or compressive longitudinal stresses were observed in the stems of most species. Tensile longitudinal stress was observed in various botanical families and was always associated with fibers arranged in a trellis-like structure and strong dilatation of rays. The highest tensile stress was recorded in species with gelatinous fibers forming a treillis. Compressive stress was typically associated with a large amount of sclereids in the bark, supporting the differentiation of sclereids as a potential origin of the generation of longitudinal compressive stresses in bark. In species exhibiting both a fibrous trellis structure and a significant amount of sclereids, the sign of longitudinal stress may depend on the balance between these two mechanisms. |
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Faculty of Bioscience Engineering, Laboratory of Wood Technology, Woodlab, Coupure Links 653, Gent, B-9000, Belgium |
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Canadian Science Publishing |
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19162804 (Issn) |
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Cited By :1; Export Date: 20 January 2020; Correspondence Address: Lehnebach, R.; Laboratoire de Mécanique et Génie Civil (LMGC), Université de Montpellier, CNRS, 860 rue de St. Priest, France; email: lehnebach.romain@hotmail.fr |
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EcoFoG @ webmaster @ |
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913 |
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Clair, B.; Alteyrac, J.; Gronvold, A.; Espejo, J.; Chanson, B.; Alméras, T. |
| Title |
Patterns of longitudinal and tangential maturation stresses in Eucalyptus nitens plantation trees |
Type |
Journal Article |
| Year |
2013 |
Publication |
Annals of Forest Science |
Abbreviated Journal |
Ann. Forest Sci. |
| Volume |
70 |
Issue |
8 |
Pages |
801-811 |
| Keywords |
Eucalyptus nitens; G-layer; Longitudinal maturation stress; Maturation strain; Tangential maturation stress; Tension wood |
| Abstract |
Context: Tree orientation is controlled by asymmetric mechanical stresses set during wood maturation. The magnitude of maturation stress differs between longitudinal and tangential directions, and between normal and tension woods. Aims: We aimed at evaluating patterns of maturation stress on eucalypt plantation trees and their relation with growth, with a focus on tangential stress evaluation. Methods: Released maturation strains along longitudinal and tangential directions were measured around the circumference of 29 Eucalyptus nitens trees, including both straight and leaning trees. Results: Most trees produced asymmetric patterns of longitudinal maturation strain, but more than half of the maturation strain variability occurred between trees. Many trees produced high longitudinal tensile stress all around their circumference. High longitudinal tensile stress was not systematically associated with the presence of gelatinous layer. The average magnitude of released longitudinal maturation strain was found negatively correlated to the growth rate. A methodology is proposed to ensure reliable evaluation of released maturation strain in both longitudinal and tangential directions. Tangential strain evaluated with this method was lower than previously reported. Conclusion: The stress was always tensile along the longitudinal direction and compressive along the tangential direction, and their respective magnitude was positively correlated. This correlation does not result from a Poisson effect but may be related to the mechanism of maturation stress generation. © 2013 # The Author(s) 2013. This article is published with open access at Springerlink.com. |
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Facultad de Ciencias Forestales, Universidad de Concepcion, Ciudad Universitaria, Concepcion, Chile |
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12864560 (Issn) |
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Export Date: 16 December 2013; Source: Scopus; Coden: Afosf; doi: 10.1007/s13595-013-0318-4; Language of Original Document: English; Correspondence Address: Clair, B.; CNRS, UMR Ecologie des Forêts de Guyane (EcoFoG), Campus Agronomique, BP 701, 97387 Kourou, French Guiana; email: bruno.clair@univ-montp2.fr; Funding Details: ANR-12-BS09-0004, French National Research Agency; References: Alméras, T., Fournier, M., Biomechanical design and long-term stability of trees: Morphological and wood traits involved in the balance between weight increase and the gravitropic reaction (2009) J Theor Biol, 256, pp. 370-381. , 19013473 10.1016/j.jtbi.2008.10.011; Alméras, T., Thibaut, A., Gril, J., Effect of circumferential heterogeneity of wood maturation strain, modulus of elasticity and radial growth on the regulation of stem orientation in trees (2005) Trees, 19, pp. 457-467. , 10.1007/s00468-005-0407-6; Archer, R.R., (1986) Growth Stresses and Strains in Trees, , Springer Verlag Berlin/Heidelberg/New York; Archer, R.R., On the origin of growth stresses in trees. Part 1: Micro mechanics of the developing cambial cell wall. Wood Sci (1987) Technol., 21, pp. 139-154; Baillères, H., Chanson, B., Fournier, M., Tollier, M.T., Monties, B., Structure, composition chimique et retraits de maturation du bois chez les clones d' Eucalyptus (1995) Ann Sci for, 52, pp. 157-172. , 10.1051/forest:19950206; Bergman, R., Cai, Z., Carll, C.G., Clausen, C.A., Ma, D., Falk, R.H., Frihart, C.R., Star, (2010) Wood Handbook: Wood As An Engineering Material, , U.S. Department of Agriculture, Forest Service, Forest Products Laboratory., Washington D.C. (USA)/Madison, WI, (USA); Biechele, T., Nutto, L., Becker, G., Growth strain in Eucalyptus nitens at different stages of development (2009) Silva Fennica, 43, pp. 669-679; Bonser, R.H.C., Ennos, A.R., Measurement of prestrain in trees:implications for the determination of safety factors (1998) Funct Ecol, 12, pp. 971-974. , 10.1046/j.1365-2435.1998.00279.x; Boyd, J.D., Tree growth stresses – Part I: Growth stress evaluation (1950) Austr. J. Sci. Res. Series B, Biological Sciences, 3, pp. 270-293; Boyd, J.D., Tree growth stresses – Part II: The development of shakes and other visual failure in timber (1950) Aust. J. App. Sci., 1, pp. 296-312; Clair, B., Alméras, T., Sugiyama, J., Compression stress in opposite wood of angiosperms: Observations in chestnut, mani and poplar (2006) Ann for Sci, 63, pp. 507-510. , 10.1051/forest:2006032; Clair, B., Ruelle, J., Beauchêne, J., Prevost, M.F., Fournier, M., Tension wood and opposite wood in 21 tropical rain forest species. 1. Occurence and efficiency of G-layer (2006) IAWA J, 27, pp. 329-338; Clair, B., Ruelle, J., Thibaut, B., Relationship between growth stress, mechano-physical properties and proportion of fibre with gelatinous layer in Chestnut (Castanea sativa Mill.) (2003) Holzforschung, 57, pp. 189-195. , 1:CAS:528:DC%2BD3sXjs1ensr8%3D; Coutand, C., Fournier, M., Moulia, B., The gravitropic response of poplar trunks: Key roles of prestressed wood regulation and the relative kinetics of cambial growth versus wood maturation (2007) Plant Physiol, 144, pp. 1166-1180. , 17468227 10.1104/pp.106.088153 1:CAS:528:DC%2BD2sXmvValtbg%3D; Fang, C.-H., Clair, B., Gril, J., Liu, S.-Q., Growth stresses are highly controlled by the amount of G-layer in poplar tension wood (2008) IAWA J, 29, pp. 237-246. , 10.1163/22941932-90000183; Ferrand, J.C., Study of growth stresses. 1. Measurement method on increment cores (1982) Ann Sci for, 39, pp. 109-142. , 10.1051/forest:19820201 (in French with English summary); Ferrand, J.C., Study of growth stresses. 2. Variations in the forest of growth stresses of beech (Fagus sylvatica) (1982) Ann Sci for, 39, pp. 187-218. , 10.1051/forest:19820301 (in French with English summary); Ferrand, J.C., Study of growth stresses. 3. Eucalyptus dedegatensis and Eucalyptus nitens – Influence of sylviculture and site index (1982) Ann Sci for, 39, pp. 355-378. , 10.1051/forest:19820402 (in French with English summary); Fournier, M., Chanson, B., Thibaut, B., Guitard, D., Measurement of residual growth strains at the stem surface. Observations of different species (1994) Ann. For. Sci., 51, pp. 249-266. , 10.1051/forest:19940305 (in French with English summary); Gerard, J., Bailleres, H., Fournier, M., Thibaut, B., Wood quality in plantation Eucalyptus – A study of variation in three reference properties (1995) Bois For. Trop, 245, pp. 101-110. , (in French with English summary); Giordano, G., Curro, P., Ghisi, G., Contribution of internal stresses in wood of Eucalyptus (1969) Wood Sci Technol, 3, pp. 1-13. , 10.1007/BF00349980; Jacobs, M.R., The fibre tension of woody stems, with special reference to the genus Eucalyptus (1938) Bull. Com. For. Bur, 22, p. 37; Jacobs, M.R., (1945) The Growth Stresses of Woody Stems, , Commonwealth Forestry Bureau Canberra, Australia; Jullien, D., Laghdir, A., Gril, J., Modelling log-end cracks due to growth stresses: Calculation of the elastic energy release rate (2003) Holzforschung, 57, pp. 407-414. , 10.1515/HF.2003.060 1:CAS:528:DC%2BD3sXntFeksrk%3D; Jullien, D., Gril, J., Growth strain assessment at the periphery of small-diameter trees using the two-grooves method: Influence of operating parameters estimated by numerical simulations (2008) Wood Sci. Technol., 42, pp. 551-565. , 10.1007/s00226-008-0202-9 1:CAS:528:DC%2BD1cXhtVOiu7jL; Jullien, D., Widmann, R., Loup, C., Thibaut, B., Relationship between tree morphology and growth stress in mature European beech stands (2013) Ann for Sci, 68, pp. 681-688; Kubler, H., Studies on growth stresses in trees – Part I: The origin of growth stresses and the stresses in transverse direction (1959) Holz Als Roh- Und Werkstoff, 17, pp. 1-9. , 10.1007/BF02608827; Kubler, H., Growth stresses in trees and related wood properties (1987) For. Abst., 48, pp. 131-189; Moulia, B., Coutand, C., Lenne, C., Posture control and skeletal mechanical acclimation in terrestrial plants: Implications for mechanical modelling of plant architecture (2006) Am J Bot, 93, pp. 1477-1489. , 21642095 10.3732/ajb.93.10.1477; Nicholson, J., A rapid method for estimating the longitudinal growth stress in logs (1971) Wood Sci. Technol., 5, pp. 40-48. , 10.1007/BF00363119; Nicholson, J.E., Growth stress differences in Eucalypts (1973) For Sci, 19, pp. 169-174; Okuyama, T., Sasaki, Y., Kikata, Y., Kawai, N., The seasonal change in growth stress in the tree trunk (1981) Mokuzai Gakkaishi, 27, pp. 350-355; Okuyama, T., Yamamoto, H., Yoshida, M., Hattori, Y., Archer, R.R., Growth stresses in tension wood: Role of microfibrils and lignification (1994) Ann for Sci, 51, pp. 291-300. , 10.1051/forest:19940308; Onaka, F., Studies on compression and tension wood (traduction) (1949) Wood Res, 1, pp. 1-88. , traduction n.p; Sasaki, Y., Okuyama, T., Kikata, Y., The evolution process of the growth stress in the tree. The surface stresses on the tree (1978) Mokuzai Gakkaishi, 24, pp. 140-157. , (in Japenese with English summary); Scurfield, G., Histochemistry of reaction wood cell walls in two species of Eucalyptus and in Tristania Conferta R (1972) Br. Aust. J. Bot., 20, pp. 9-26. , 10.1071/BT9720009 1:CAS:528:DyaE38XltFWksLk%3D; Yamamoto, H., Generation mechanism of growth stresses in wood cell walls: Roles of lignin deposition and cellulose microfibril during cell wall maturation (1998) Wood Sci. Technol., 32, pp. 171-182. , 1:CAS:528:DyaK1cXktlKhsb0%3D; Yamamoto, H., Abe, K., Arakawa, Y., Okuyama, T., Gril, J., Role of the gelatinous layer on the origin of the physical properties of the tension wood of Acer sieboldianum (2005) Wood Sci. Technol., 51, pp. 222-233. , 10.1007/s10086-004-0639-x 1:CAS:528:DC%2BD2MXpslOqurs%3D; Yamamoto, H., Yoshida, M., Okuyama, T., Growth stress controls negative gravitropism in woody plant stems (2002) Planta, 216, pp. 280-292. , 12447542 10.1007/s00425-002-0846-x 1:CAS:528:DC%2BD3sXktFOiug%3D%3D; Yang, J.L., Waugh, G., Growth stress, its measurement and effects (2001) Autr. For., 64, pp. 127-135; Yoshida, M., Ohta, H., Yamamoto, H., Okuyama, T., Tensile growth stress and lignin distribution in the cell walls of yellow poplar, Liriodendron tulipifera Linn (2002) Trees, 16, pp. 457-464. , 10.1007/s00468-002-0186-2 1:CAS:528:DC%2BD38XosFWltro%3D; Yoshida, M., Okuyama, T., Techniques for measuring growth stress (2002) Holzforschung, 56, pp. 461-467. , 10.1515/HF.2002.071 1:CAS:528:DC%2BD38XovVaru7c%3D |
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EcoFoG @ webmaster @ |
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519 |
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| Author |
Céréghino, R.; Pillar, V.D.; Srivastava, D.S.; de Omena, P.M.; MacDonald, A.A.M.; Barberis, I.M.; Corbara, B.; Guzman, L.M.; Leroy, C.; Ospina Bautista, F.; Romero, G.Q.; Trzcinski, M.K.; Kratina, P.; Debastiani, V.J.; Gonçalves, A.Z.; Marino, N.A.C.; Farjalla, V.F.; Richardson, B.A.; Richardson, M.J.; Dézerald, O.; Gilbert, B.; Petermann, J.; Talaga, S.; Piccoli, G.C.O.; Jocqué, M.; Montero, G. |
| Title |
Constraints on the functional trait space of aquatic invertebrates in bromeliads |
Type |
Journal Article |
| Year |
2018 |
Publication |
Functional Ecology |
Abbreviated Journal |
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| Volume |
32 |
Issue |
10 |
Pages |
2435-2447 |
| Keywords |
aquatic invertebrates; ecological strategies; functional diversity; functional trait space; niche hypervolume |
| Abstract |
Functional traits are commonly used in predictive models that link environmental drivers and community structure to ecosystem functioning. A prerequisite is to identify robust sets of continuous axes of trait variation, and to understand the ecological and evolutionary constraints that result in the functional trait space occupied by interacting species. Despite their diversity and role in ecosystem functioning, little is known of the constraints on the functional trait space of invertebrate biotas of entire biogeographic regions. We examined the ecological strategies and constraints underlying the realized trait space of aquatic invertebrates, using data on 12 functional traits of 852 taxa collected in tank bromeliads from Mexico to Argentina. Principal Component Analysis was used to reduce trait dimensionality to significant axes of trait variation, and the proportion of potential trait space that is actually occupied by all taxa was compared to null model expectations. Permutational Analyses of Variance were used to test whether trait combinations were clade-dependent. The major axes of trait variation represented life-history strategies optimizing resource use and antipredator adaptations. There was evidence for trophic, habitat, defence and life-history niche axes. Bromeliad invertebrates only occupied 16%–23% of the potential space within these dimensions, due to greater concentrations than predicted under uniform or normal distributions. Thus, despite high taxonomic diversity, invertebrates only utilized a small number of successful ecological strategies. Empty areas in trait space represented gaps between major phyla that arose from biological innovations, and trait combinations that are unviable in the bromeliad ecosystem. Only a few phylogenetically distant genera were neighbouring in trait space. Trait combinations aggregated taxa by family and then by order, suggesting that niche conservatism was a widespread mechanism in the diversification of ecological strategies. A plain language summary is available for this article. © 2018 The Authors. Functional Ecology © 2018 British Ecological Society |
| Address |
Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Zavalla, Argentina |
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Export Date: 22 October 2018 |
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no |
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EcoFoG @ webmaster @ |
Serial |
829 |
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Pastorello, G.; Trotta, C.; Canfora, E.; Chu, H.; Christianson, D.; Cheah, Y.-W.; Poindexter, C.; Chen, J.; Elbashandy, A.; Humphrey, M.; Isaac, P.; Polidori, D.; Ribeca, A.; van Ingen, C.; Zhang, L.; Amiro, B.; Ammann, C.; Arain, M.A.; Ardö, J.; Arkebauer, T.; Arndt, S.K.; Arriga, N.; Aubinet, M.; Aurela, M.; Baldocchi, D.; Barr, A.; Beamesderfer, E.; Marchesini, L.B.; Bergeron, O.; Beringer, J.; Bernhofer, C.; Berveiller, D.; Billesbach, D.; Black, T.A.; Blanken, P.D.; Bohrer, G.; Boike, J.; Bolstad, P.V.; Bonal, D.; Bonnefond, J.-M.; Bowling, D.R.; Bracho, R.; Brodeur, J.; Brümmer, C.; Buchmann, N.; Burban, B.; Burns, S.P.; Buysse, P.; Cale, P.; Cavagna, M.; Cellier, P.; Chen, S.; Chini, I.; Christensen, T.R.; Cleverly, J.; Collalti, A.; Consalvo, C.; Cook, B.D.; Cook, D.; Coursolle, C.; Cremonese, E.; Curtis, P.S.; D'Andrea, E.; da Rocha, H.; Dai, X.; Davis, K.J.; De Cinti, B.; de Grandcourt, A.; De Ligne, A.; De Oliveira, R.C.; Delpierre, N.; Desai, A.R.; Di Bella, C.M.; di Tommasi, P.; Dolman, H.; Domingo, F.; Dong, G.; Dore, S.; Duce, P.; Dufrêne, E.; Dunn, A.; Dušek, J.; Eamus, D.; Eichelmann, U.; ElKhidir, H.A.M.; Eugster, W.; Ewenz, C.M.; Ewers, B.; Famulari, D.; Fares, S.; Feigenwinter, I.; Feitz, A.; Fensholt, R.; Filippa, G.; Fischer, M.; Frank, J.; Galvagno, M.; Gharun, M.; Gianelle, D.; Gielen, B.; Gioli, B.; Gitelson, A.; Goded, I.; Goeckede, M.; Goldstein, A.H.; Gough, C.M.; Goulden, M.L.; Graf, A.; Griebel, A.; Gruening, C.; Grünwald, T.; Hammerle, A.; Han, S.; Han, X.; Hansen, B.U.; Hanson, C.; Hatakka, J.; He, Y.; Hehn, M.; Heinesch, B.; Hinko-Najera, N.; Hörtnagl, L.; Hutley, L.; Ibrom, A.; Ikawa, H.; Jackowicz-Korczynski, M.; Janouš, D.; Jans, W.; Jassal, R.; Jiang, S.; Kato, T.; Khomik, M.; Klatt, J.; Knohl, A.; Knox, S.; Kobayashi, H.; Koerber, G.; Kolle, O.; Kosugi, Y.; Kotani, A.; Kowalski, A.; Kruijt, B.; Kurbatova, J.; Kutsch, W.L.; Kwon, H.; Launiainen, S.; Laurila, T.; Law, B.; Leuning, R.; Li, Y.; Liddell, M.; Limousin, J.-M.; Lion, M.; Liska, A.J.; Lohila, A.; López-Ballesteros, A.; López-Blanco, E.; Loubet, B.; Loustau, D.; Lucas-Moffat, A.; Lüers, J.; Ma, S.; Macfarlane, C.; Magliulo, V.; Maier, R.; Mammarella, I.; Manca, G.; Marcolla, B.; Margolis, H.A.; Marras, S.; Massman, W.; Mastepanov, M.; Matamala, R.; Matthes, J.H.; Mazzenga, F.; McCaughey, H.; McHugh, I.; McMillan, A.M.S.; Merbold, L.; Meyer, W.; Meyers, T.; Miller, S.D.; Minerbi, S.; Moderow, U.; Monson, R.K.; Montagnani, L.; Moore, C.E.; Moors, E.; Moreaux, V.; Moureaux, C.; Munger, J.W.; Nakai, T.; Neirynck, J.; Nesic, Z.; Nicolini, G.; Noormets, A.; Northwood, M.; Nosetto, M.; Nouvellon, Y.; Novick, K.; Oechel, W.; Olesen, J.E.; Ourcival, J.-M.; Papuga, S.A.; Parmentier, F.-J.; Paul-Limoges, E.; Pavelka, M.; Peichl, M.; Pendall, E.; Phillips, R.P.; Pilegaard, K.; Pirk, N.; Posse, G.; Powell, T.; Prasse, H.; Prober, S.M.; Rambal, S.; Rannik, Ü.; Raz-Yaseef, N.; Reed, D.; de Dios, V.R.; Restrepo-Coupe, N.; Reverter, B.R.; Roland, M.; Sabbatini, S.; Sachs, T.; Saleska, S.R.; Sánchez-Cañete, E.P.; Sanchez-Mejia, Z.M.; Schmid, H.P.; Schmidt, M.; Schneider, K.; Schrader, F.; Schroder, I.; Scott, R.L.; Sedlák, P.; Serrano-Ortíz, P.; Shao, C.; Shi, P.; Shironya, I.; Siebicke, L.; Šigut, L.; Silberstein, R.; Sirca, C.; Spano, D.; Steinbrecher, R.; Stevens, R.M.; Sturtevant, C.; Suyker, A.; Tagesson, T.; Takanashi, S.; Tang, Y.; Tapper, N.; Thom, J.; Tiedemann, F.; Tomassucci, M.; Tuovinen, J.-P.; Urbanski, S.; Valentini, R.; van der Molen, M.; van Gorsel, E.; van Huissteden, K.; Varlagin, A.; Verfaillie, J.; Vesala, T.; Vincke, C.; Vitale, D.; Vygodskaya, N.; Walker, J.P.; Walter-Shea, E.; Wang, H.; Weber, R.; Westermann, S.; Wille, C.; Wofsy, S.; Wohlfahrt, G.; Wolf, S.; Woodgate, W.; Li, Y.; Zampedri, R.; Zhang, J.; Zhou, G.; Zona, D.; Agarwal, D.; Biraud, S.; Torn, M.; Papale, D. |
| Title |
The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data |
Type |
Journal Article |
| Year |
2020 |
Publication |
Scientific data |
Abbreviated Journal |
Sci Data |
| Volume |
7 |
Issue |
1 |
Pages |
225 |
| Keywords |
article; breathing; ecophysiology; ecosystem; Eddy covariance; licence; metadata; photosynthesis; pipeline; remote sensing; time series analysis; uncertainty |
| Abstract |
The FLUXNET2015 dataset provides ecosystem-scale data on CO2, water, and energy exchange between the biosphere and the atmosphere, and other meteorological and biological measurements, from 212 sites around the globe (over 1500 site-years, up to and including year 2014). These sites, independently managed and operated, voluntarily contributed their data to create global datasets. Data were quality controlled and processed using uniform methods, to improve consistency and intercomparability across sites. The dataset is already being used in a number of applications, including ecophysiology studies, remote sensing studies, and development of ecosystem and Earth system models. FLUXNET2015 includes derived-data products, such as gap-filled time series, ecosystem respiration and photosynthetic uptake estimates, estimation of uncertainties, and metadata about the measurements, presented for the first time in this paper. In addition, 206 of these sites are for the first time distributed under a Creative Commons (CC-BY 4.0) license. This paper details this enhanced dataset and the processing methods, now made available as open-source codes, making the dataset more accessible, transparent, and reproducible. |
| Address |
Euro-Mediterranean Centre on Climate Change Foundation (CMCC), Lecce, 73100, Italy |
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NLM (Medline) |
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20524463 (Issn) |
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EcoFoG @ webmaster @ |
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958 |
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Amusant, N.; Beauchene, J.; Digeon, A.; Chaix, G. |
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Essential oil yield in rosewood (Aniba rosaeodora Ducke): Initial application of rapid prediction by near infrared spectroscopy based on wood spectra |
Type |
Journal Article |
| Year |
2016 |
Publication |
Journal of Near Infrared Spectroscopy |
Abbreviated Journal |
Journal of Near Infrared Spectroscopy |
| Volume |
24 |
Issue |
6 |
Pages |
507-515 |
| Keywords |
Aniba rosaeodora; Calibration; Essential oil yield; Nir; Pls; Rosewood |
| Abstract |
Rosewood (Aniba rosaeodora) essential oil is a valuable ingredient that has long been used in the perfume and cosmetic industries. The main rosewood timber quality parameters are its essential oil yield and quality. A hydrodistillation method has been developed for yield determination, but it is time consuming. Here we tested the applicability of near infrared (NIR) spectroscopy for determining essential oil yield directly from wood powder. Essential oil from 139 wood powders was extracted via hydrodistillation. The measurements were based on the ratio between the extracted essential oil mass and the oven-dried wood mass and were correlated with the wood powder NIR spectra. The calibration model statistical findings demonstrated that NIR could be a fast and feasible alternative method for selecting trees with a high essential oil yield potential. NIR-based predictions obtained in an independent validation set indicated a high correlation (r2e = 0.92) with laboratory essential oil yield measurements. This NIR model could help wood managers in selecting trees with a high essential oil yield potential and in developing sustainable rosewood management strategies. © IM Publications LLP 2016. All rights reserved. |
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ESALQ-USP, Piracicaba, Brazil |
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Cited By :1; Export Date: 17 January 2017 |
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no |
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EcoFoG @ webmaster @ |
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707 |
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Scotti-Saintagne, C.; Bertocchi, E.; Barreneche, T.; Kremer, A.; Plomion, C. |
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Quantitative trait loci mapping for vegetative propagation in pedunculate oak |
Type |
Journal Article |
| Year |
2005 |
Publication |
Annals of Forest Science |
Abbreviated Journal |
Ann. For. Sci. |
| Volume |
62 |
Issue |
4 |
Pages |
369-374 |
| Keywords |
vegetative propagation; QTL; Quercus robur |
| Abstract |
Vegetative propagation is one of the main methods used for the deployment of improved genetic forest tree species. The objective of this paper was to study the genetic architecture of vegetative propagation by detecting Quantitative Trait Loci (QTL) in pedunculate oak ( Quercus robur). The mapping population consisted on an F-1 family of 278 offspring. Assessment of rooting ability over three years permitted the detection of 10 QTLs explaining between 4.4 and 13.8% of phenotypic variance, of which the two strongest were stable across years. Ongoing genomics programs in trees and in Arabidopsis are starting to shed light on the nature of the underlying genes. |
| Address |
Equipe Genet, INRA, UMR 1202, BIOGECO, F-33612 Cestas, France, Email: christophe.plomion@pierroton.inra.fr |
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E D P SCIENCES |
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1286-4560 |
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ISI:000229668600010 |
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no |
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EcoFoG @ eric.marcon @ |
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255 |
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