| Records |
| Author |
Fine, P.V.A.; Metz, M.R.; Lokvam, J.; Mesones, I.; Zuniga, J.M.A.; Lamarre, G.P.A.; Pilco, M.V.; Baraloto, C. |
| Title |
Insect herbivores, chemical innovation, and the evolution of habitat specialization in Amazonian trees |
Type |
Journal Article |
| Year |
2013 |
Publication |
Ecology |
Abbreviated Journal |
Ecology |
Volume  |
94 |
Issue |
8 |
Pages |
1764-1775 |
| Keywords |
Amazonia; Ecological speciation; Ecotypes; Herbivory; Natural enemies; Plant defense; Protium subserratum; Terra firme forests; Tropical rain forests; White-sand forests |
| Abstract |
Herbivores are often implicated in the generation of the extraordinarily diverse tropical flora. One hypothesis linking enemies to plant diversification posits that the evolution of novel defenses allows plants to escape their enemies and expand their ranges. When range expansion involves entering a new habitat type, this could accelerate defense evolution if habitats contain different assemblages of herbivores and/or divergent resource availabilities that affect plant defense allocation. We evaluated this hypothesis by investigating two sister habitat specialist ecotypes of Protium subserratum (Burseraceae), a common Amazonian tree that occurs in white-sand and terra firme forests. We collected insect herbivores feeding on the plants, assessed whether growth differences between habitats were genetically based using a reciprocal transplant experiment, and sampled multiple populations of both lineages for defense chemistry. Protium subserratum plants were attacked mainly by chrysomelid beetles and cicadellid hemipterans. Assemblages of insect herbivores were dissimilar between populations of ecotypes from different habitats, as well as from the same habitat 100 km distant. Populations from terra firme habitats grew significantly faster than white-sand populations; they were taller, produced more leaf area, and had more chlorophyll. White-sand populations expressed more dry mass of secondary compounds and accumulated more flavone glycosides and oxidized terpenes, whereas terra firme populations produced a coumaroylquinic acid that was absent from white-sand populations. We interpret these results as strong evidence that herbivores and resource availability select for divergent types and amounts of defense investment in white-sand and terra firme lineages of Protium subserratum, which may contribute to habitat-mediated speciation in these trees. © 2013 by the Ecological Society of America. |
| Address |
Department of Biology, University of Florida, Gainesville, FL 32611, United States |
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00129658 (Issn) |
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Export Date: 30 August 2013; Source: Scopus; Coden: Ecola; doi: 10.1890/12-1920.1; Language of Original Document: English; Correspondence Address: Department of Integrative Biology, 1005 Valley Life Sciences Building 3140, University of California, Berkeley, CA 94720-3140, United States |
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EcoFoG @ webmaster @ |
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500 |
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Amusant, N.; Nigg, M.; Thibaut, B.; Beauchene, J. |
| Title |
Diversity of decay resistance strategies of durable tropical woods species: Bocoa prouacencsis Aublet, Vouacapoua americana Aublet, Inga alba (Sw.) Wild |
Type |
Journal Article |
| Year |
2014 |
Publication |
International Biodeterioration & Biodegradation |
Abbreviated Journal |
Int. Biodeterior. Biodegrad. |
| Volume |
94 |
Issue |
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Pages |
103-108 |
| Keywords |
Decay resistance; Density; Heartwood; Sapwood; Tropical wood; Wood extractive; Decay resistance; Heartwood; Sapwood; Tropical wood; Wood extractives; Density (specific gravity); Andira aubletii; Bocoa; Inga |
| Abstract |
The study of decay resistance in wood is of interest for wood end-users but also for the global carbon balance since wood biodegradation is a key driver of forest ecosystem functioning through its impacts on carbon and nutrient cycling. We studied the density and wood extractive contents in order to understand decay resistance against soil microflora after 90 days exposure of sapwood and heartwood from three Neotropical wood species known for their decay resistance: Bocoa prouacensis, Vouacapoua americana, Inga alba. Decay resistance was correlated with density more than wood extractive content. The results highlighted different decay resistance strategies. In B. prouacensis, both sapwood and heartwood were highly resistant due to the high density and high content of antifungal wood extractives. In V. americana heartwood, decay resistance was due to the high synergistic-acting wood extractive content. Conversely, with the least dense wood species I. alba, we found that decay resistance was due to the antifungal wood extractives synthesized early in the sapwood. In conclusion, we showed that the three wood species with the same level of heartwood decay resistance performance had different decay resistance strategies according to the anatomic and defensive wood traits. |
| Address |
CNRS, CCo Pl E. Bataillon, Laboratoire de Me´canique et Ge´nie Civile, Universite´ de Montpellier 2Montpellier Cedex 5, France |
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Elsevier Ltd |
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09648305 (Issn) |
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Export Date: 1 October 2014; Coden: Ibbie; Correspondence Address: Amusant, N.; CIRAD UMR Ecologie des foreˆts de GuyaneFrance |
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EcoFoG @ webmaster @ |
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561 |
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Grangier, J.; Dejean, A.; Male, P.J.G.; Orivel, J. |
| Title |
Indirect defense in a highly specific ant-plant mutualism |
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Journal Article |
| Year |
2008 |
Publication |
Naturwissenschaften |
Abbreviated Journal |
Naturwissenschaften |
| Volume |
95 |
Issue |
10 |
Pages |
909-916 |
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Allomerus decemarticulatus; Hirtella physophora; indirect defense; myrmecophytes; optimal defense theory |
| Abstract |
Although associations between myrmecophytes and their plant ants are recognized as a particularly effective form of protective mutualism, their functioning remains incompletely understood. This field study examined the ant-plant Hirtella physophora and its obligate ant associate Allomerus decemarticulatus. We formulated two hypotheses on the highly specific nature of this association: (1) Ant presence should be correlated with a marked reduction in the amount of herbivory on the plant foliage; (2) ant activity should be consistent with the “optimal defense” theory predicting that the most vulnerable and valuable parts of the plant are the best defended. We validated the first hypothesis by demonstrating that for ant-excluded plants, expanding leaves, but also newly matured ones in the long term, suffered significantly more herbivore damage than ant-inhabited plants. We showed that A. decemarticulatus workers represent both constitutive and inducible defenses for their host, by patrolling its foliage and rapidly recruiting nestmates to foliar wounds. On examining how these activities change according to the leaves' developmental stage, we found that the number of patrolling ants dramatically decreased as the leaves matured, while leaf wounds induced ant recruitment regardless of the leaf's age. The resulting level of these indirect defenses was roughly proportional to leaf vulnerability and value during its development, thus validating our second hypothesis predicting optimal protection. This led us to discuss the factors influencing ant activity on the plant's surface. Our study emphasizes the importance of studying both the constitutive and inducible components of indirect defense when evaluating its efficacy and optimality. |
| Address |
[Grangier, Julien; Dejean, Alain; Male, Pierre-Jean G.; Orivel, Jerome] Univ Toulouse 3, Lab Evolut & Diversite Biol, CNRS, UMR 5174, F-31062 Toulouse 9, France, Email: grangier@cict.fr |
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0028-1042 |
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ISI:000259737600002 |
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EcoFoG @ eric.marcon @ |
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207 |
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Dejean, A.; Grangier, J.; Leroy, C.; Orivel, J.; Gilbernau, M. |
| Title |
Nest site selection and induced response in a dominant arboreal ant species |
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Journal Article |
| Year |
2008 |
Publication |
Naturwissenschaften |
Abbreviated Journal |
Naturwissenschaften |
| Volume |
95 |
Issue |
9 |
Pages |
885-889 |
| Keywords |
ant-plant relationships; biotic defense; induced responses; predation |
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It is well known that arboreal ants, both territorially dominant species and plant ants (e.g., species associated with myrmecophytes or plants housing them in hollow structures), protect their host trees from defoliators. Nevertheless, the presence of an induced defense, suggested by the fact that the workers discovering a leaf wound recruit nestmates, is only known for plant ants. Based on the results from a field study, we show here (1) that colonies of Azteca chartifex, a territorially dominant, neotropical arboreal ant species, mostly selected Goupia glabra (Goupiaceae) trees in which to build their principal carton nests and (2) that plant signals induced workers to recruit nestmates, which patrol the leaves, likely providing the plant with a biotic defense. Furthermore, the number of recruited workers was clearly higher on G. glabra, their most frequently selected host tree species, than on other tree species. These results show that contrary to what was previously believed, induced responses are also found in territorially dominant arboreal ants and so are not limited to the specific associations between myrmecophytes and plant ants. |
| Address |
[Dejean, Alain] CNRS Guyane, UPS 5621, F-97300 Cayenne, France, Email: alain.dejean@wanadoo.fr |
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0028-1042 |
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ISI:000258675700013 |
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EcoFoG @ eric.marcon @ |
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209 |
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Turcotte, M.M.; Thomsen, C.J.M.; Broadhead, G.T.; Fine, P.V.A.; Godfrey, R.M.; Lamarre, G.P.A.; Meyer, S.T.; Richards, L.A.; Johnson, M.T.J. |
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Percentage leaf herbivory across vascular plant species |
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Journal Article |
| Year |
2014 |
Publication |
Ecology |
Abbreviated Journal |
Ecology |
| Volume |
95 |
Issue |
3 |
Pages |
788-788 |
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Herbivory is viewed as a major driver of plant evolution and the most important energy pathway from plants to higher trophic levels. Therefore, understanding patterns of herbivory on plants remains a key focus in evolution and ecology. The evolutionary impacts of leaf herbivory include altering plant fitness, local adaptation, the evolution of defenses, and the diversification of plants as well as natural enemies. Leaf herbivory also impacts ecological processes such as plant productivity, community composition, and ecosystem nutrient cycling. Understanding the impact of herbivory on these ecological and evolutionary processes requires species-specific, as opposed to community-level, measures of herbivory. In addition, species-specific data enables the use of modern comparative methods to account for phylogenetic non-independence. Although hundreds of studies have measured natural rates of leaf consumption, we are unaware of any accessible compilation of these data. We created such a data set to provide the raw data needed to test general hypotheses relating to plant?herbivore interactions and to test the influence of biotic and abiotic factors on herbivory rates across large spatial scales. A large repository will make this endeavor more efficient and robust. In total, we compiled 2641 population-level measures for either annual or daily rates of leaf herbivory across 1145 species of vascular plants collected from 189 studies. All damage measures represent natural occurrences of herbivory that span numerous angiosperm, gymnosperm, and fern species. To enable researchers to explore the causes of variation in herbivory and how these might interact, we added information about the study sites including: geolocation, climate classification, habitat descriptions (e.g., seashore, grassland, forest, agricultural fields), and plant trait information concerning growth form and duration (e.g., annual vs. perennial). We also included extensive details of the methodology used to measure leaf damage, including seasons and months of sampling, age of leaves, and the method used to estimate percentage area missing. We anticipate that these data will make it possible to test important hypotheses in the plant?herbivore literature, including the plant apparency hypothesis, the latitudinal-herbivory defense hypothesis, the resource availability hypothesis, and the macroevolutionary escalation of defense hypothesis. |
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Ecological Society of America |
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0012-9658 |
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doi: 10.1890/13-1741.1 |
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EcoFoG @ webmaster @ |
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575 |
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Dejean, A.; Grangier, J.; Leroy, C.; Orivel, J. |
| Title |
Predation and aggressiveness in host plant protection: a generalization using ants from the genus Azteca |
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Journal Article |
| Year |
2009 |
Publication |
Naturwissenschaften |
Abbreviated Journal |
Naturwissenschaften |
| Volume |
96 |
Issue |
1 |
Pages |
57-63 |
| Keywords |
Aggressiveness; Ant-plant relationships; Biotic defence; Predation |
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In studying the ant genus Azteca, a Neotropical group of arboreal species, we aimed to determine the extent to which the ants use predation and/or aggressiveness to protect their host plants from defoliating insects. We compared a territorially dominant, carton-nester, Azteca chartifex, and three plant-ant species. Azteca alfari and Azteca ovaticeps are associated with the myrmecophyte Cecropia (Cecropiaceae) and their colonies shelter in its hollow branches; whereas Azteca bequaerti is associated with Tococa guianensis (Melastomataceae) and its colonies shelter in leaf pouches situated at the base of the laminas. Whereas A. bequaerti workers react to the vibrations transmitted by the lamina when an alien insect lands on a leaf making it unnecessary for them to patrol their plant, the workers of the three other species rather discover prey by contact. The workers of all four species use a predatory behaviour involving spread-eagling alien insects after recruiting nestmates at short range, and, in some cases, at long range. Because A. alfari and A. ovaticeps discard part of the insects they kill, we deduced that the workers' predatory behaviour and territorial aggressiveness combine in the biotic defence of their host tree. |
| Address |
[Dejean, Alain; Leroy, Celine] CNRS, UMR Ecol Forets Guyane 8172, F-97379 Kourou, France, Email: alain.dejean@wanadoo.fr |
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0028-1042 |
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ISI:000261791000006 |
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EcoFoG @ eric.marcon @ |
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125 |
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Casella, T.M.; Eparvier, V.; Mandavid, H.; Bendelac, A.; Odonne, G.; Dayan, L.; Duplais, C.; Espindola, L.S.; Stien, D. |
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Antimicrobial and cytotoxic secondary metabolites from tropical leaf endophytes: Isolation of antibacterial agent pyrrocidine C from Lewia infectoria SNB-GTC2402 |
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Journal Article |
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2013 |
Publication |
Phytochemistry |
Abbreviated Journal |
Phytochemistry |
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96 |
Issue |
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Pages |
370-377 |
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Antimicrobials; Cytotoxic metabolites; Functional chemodiversity; Leaf endophytes; Lewia; Pyrrocidine C |
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Because of the symbiotic nature of endophytes, this survey aims to investigate the probability of discovering antibacterial, antifungal and cytotoxic activities in leaf endophytic microbes. We isolated 138 cultivable microbes (121 fungi, 3 bacteria and 14 unidentified or unknown microbes) from 24 plant species, a significant relative proportion of which exhibited antifungal and cytotoxic potential against Candida albicans ATCC 10213 and the human cell lines KB (uterine cervical carcinoma), MDA-MB-435 (melanoma), and MRC5 (normal human lung fibroblasts). Three active fungal extracts were fractionated, resulting in the isolation of eight compounds. Seven had been described in the literature including the following: acremonisol A, semicochliodinol A, cochliodinol, griseofulvin, pyrenocin A, novae zelandin A and alterperylenol. A previously unreported compound named pyrrocidine C was isolated from Lewia infectoria SNB-GTC2402 and identified by spectroscopic analysis. As in pyrrocidines A and B, this compound is a cis-substituted decahydrofluorene with a quaternary carbon at C-5 and opposite stereochemistry at C-8 corresponding to C-6 of pyrrocidines A and B.© 2013 Elsevier Ltd. All rights reserved. |
| Address |
CNRS Guyane, USR 3456, 2 Avenue Gustave Charlery, 97300 Cayenne, France |
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00319422 (Issn) |
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Export Date: 6 December 2013; Source: Scopus; Coden: Pytca; doi: 10.1016/j.phytochem.2013.10.004; Language of Original Document: English; Correspondence Address: Espindola, L.S.; Laboratório de Farmacognosia, Universidade de Brasília, Brasília, DF, Brazil; email: darvenne@unb.br; References: Arnold, A.E., Mejia, L.C., Kyllo, D., Rojas, E.I., Maynard, Z., Robbins, N., Herre, E.A., Fungal endophytes limit pathogen damage in a tropical tree (2003) Proceedings of the National Academy of Sciences of the United States of America, 100 (26), pp. 15649-15654. , DOI 10.1073/pnas.2533483100; Asahina, A., Tada, Y., Nakamura, K., Tamaki, K., Colchicine and griseofulvin inhibit VCAM-1 expression on human vascular endothelial cells – Evidence for the association of VCAM-1 expression with microtubules (2001) Journal of Dermatological Science, 25 (1), pp. 1-9. , DOI 10.1016/S0923-1811(00)00097-9, PII S0923181100000979; Bacon, C.W., White, J.F., (2000) Microbial Endophytes, , Marcel Dekker Inc. New York; Brewer, D., Jerram, W.A., Meiler, D., Taylor, A., The toxicity of cochliodinol, an antibiotic metabolite of Chaetomium spp (1970) Can. J. Microbiol., 16, pp. 433-440; Cafeu, M.C., Silva, G.H., Teles, H.L., Bolzani, V.D.S., Araujo, A.R., Young, M.C.M., Pfenning, L.H., Antifungal compounds of Xylaria sp., an endophytic fungus isolated from Palicourea marcgravii (Rubiaceae) (2005) Quimica Nova, 28 (6), pp. 991-995. , http://www.scielo.br/pdf/qn/v28n6/26827.pdf; Chooi, Y.-H., Cacho, R., Tang, Y., Identification of the viridicatumtoxin and Griseofulvin gene clusters from Pennicillium aethiopicum (2010) Chem. Biol., 17, pp. 483-494; Christensen, K.B., Van Klink, J.W., Weavers, R.T., Larsen, T.O., Andersen, B., Phipps, R.K., Novel chemotaxonomic markers of the Alternaria infectoria species-group (2005) Journal of Agricultural and Food Chemistry, 53 (24), pp. 9431-9435. , DOI 10.1021/jf0513213; Clay, K., Holah, J., Fungal endophyte symbiosis and plant diversity in successional fields (1999) Science, 285 (5434), pp. 1742-1744. , DOI 10.1126/science.285.5434.1742; Debbab, A., Hassan, A.A., Edrada-Ebel, R.A., Müller, W.E.G., Mosaddak, M., Hakiki, A., Ebel, R., Proksch, P., Bioactive secondary metabolites from the endophytic fungus Chaetomium sp. Isolated from Salvia officinalis growing in Morocco (2009) Biotechnol. Agron. Soc. Environ., 13, pp. 229-234; Fredenhagen, A., Petersen, F., Tintelnot-Blomley, M., Rosel, J., Mett, H., Hug, P., Semicochliodinol A and B: Inhibitors of HIV-1 protease and EGF-R protein tyrosine kinase related to asterriquinones produced by the fungus Chrysosporium merdarium (1997) Journal of Antibiotics, 50 (5), pp. 395-401; He, H., Yang, H.Y., Bigelis, R., Solum, E.H., Greenstein, M., Carter, G.T., Pyrrocidines A and B, new antibiotics produced by a filamentous fungus (2002) Tetrahedron Letters, 43 (9), pp. 1633-1636. , DOI 10.1016/S0040-4039(02)00099-0, PII S0040403902000990; Ichihara, A., Murakami, K., Sakamura, S., Synthesis of pyrenocines A, B and pyrenochaetic acid A (1987) Tetrahedron, 43, pp. 5245-5250; Isaka, M., Rugseree, N., Maithip, P., Kongsaeree, P., Prabpai, S., Thebtaranonth, Y., Hirsutellones A-E, antimycobacterial alkaloids from the insect pathogenic fungus Hirsutella nivea BCC 2594 (2005) Tetrahedron, 61 (23), pp. 5577-5583. , DOI 10.1016/j.tet.2005.03.099, PII S0040402005005843; Jones, K.E., Patel, N.G., Levy, M.A., Storeygard, A., Balk, D., Gittleman, J.L., Daszak, P., Global trends in emerging infectious diseases (2008) Nature, 451 (7181), pp. 990-993. , DOI 10.1038/nature06536, PII NATURE06536; Kingsland, S.R., Barrow, R.A., Identification of chaetoviridin e from a cultured microfungus, Chaetomium sp. and structural reassignment of chaetoviridins B and D (2009) Aust. J. Chem., 62, pp. 269-274; Lee, J.S., Ko, K.S., Jung, H.S., Phylogenetic analysis of Xylaria based on nuclear ribosomal ITS1-5.8S-ITS2 sequences (2000) FEMS Microbiology Letters, 187 (1), pp. 89-93. , DOI 10.1016/S0378-1097(00)00181-6, PII S0378109700001816; Li, X.-W., Eara, A., Nay, B., Hirsutellones and beyond: Figuring out the biological and synthetic logics toward chemical complexity in fungal PKS-NRPS compounds (2013) Nat. Prod. Rep., 30, pp. 765-782; Mousa, W.K., Raizada, M.N., The diversity of anti-microbial secondary metabolites produced by fungal endophytes: An interdisciplinary perspective (2013) Front. Microbiol., 4 (65), pp. 1-18; Nebel, G., Dragsted, J., Vanclay, J.K., Structure and floristic composition of flood plain forests in the Peruvian Amazon II. The understorey of restinga forests (2001) Forest Ecology and Management, 150 (1-2), pp. 59-77. , DOI 10.1016/S0378-1127(00)00681-2, PII S0378112700006812; Nirma, C., Eparvier, V., Stien, D., Antifungal agents from Pseudallescheria boydii SNB-CN73 isolated from a Nasutitermes sp termite (2013) J. Nat. Prod., 76, pp. 988-991; Okuno, T., Natsume, I., Sawai, K., Structure of antifungal and phytotoxic pigments produced by Alternaria Sps (1983) Tetrahedron Letters, 24 (50), pp. 5653-5656. , DOI 10.1016/S0040-4039(00)94165-0; Pontius, A., Mohamed, I., Krick, A., Kehraus, S., Konig, G.M., Aromatic polyketides from marine algicolous fungi (2008) Journal of Natural Products, 71 (2), pp. 272-274. , DOI 10.1021/np0704710; Priest, F., Systematics and ecology of Bacillus (1993) Bacillus Subtilis and Other Gram-positive Bacteria, Biochemistry, Physiology, and Molecular Genetics, pp. 3-16. , A.L. Sonenshein, J.A. Hoch, R. Losick, ASM Press Washington; Rodrigues, A.M.S., Theodoro, P.N.E.T., Basset, C., Silva, M.R.R., Beauchêne, J., Espindola, L.S., Stien, D., Search for antifungal compounds from the wood of durable tropical trees (2010) J. Nat. Prod., 73, pp. 1706-1707; Rosenblueth, M., Martinez-Romero, E., Bacterial endophytes and their interactions with hosts (2006) Molecular Plant-Microbe Interactions, 19 (8), pp. 827-837. , DOI 10.1094/MPMI-19-0827; Strobel, G.A., Endophytes as sources of bioactive products (2003) Microbes and Infection, 5 (6), pp. 535-544. , DOI 10.1016/S1286-4579(03)00073-X; Tempête, C., Werner, G.H., Favre, F., Rojas, A., Langlois, N., In vitro cytostatic activity of 9-demethoxyporothramycin B (1995) Eur. J. Med. Chem., 30, pp. 647-650; Weber, R.W.S., Stenger, E., Meffert, A., Hahn, M., Brefeldin A production by Phoma medicaginis in dead pre-colonized plant tissue: A strategy for habitat conquest? (2004) Mycological Research, 108 (6), pp. 662-671. , DOI 10.1017/S0953756204000243; White, T.J., Bruns, T., Lee, S., Taylor, J., Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics (1990) PCR Protocols. A Guide to Methods and Applications, pp. 315-322. , M.A. Innis, D.H. Gelfand, J.J. Shinsky, T.J. White, Academic Press San Diego; Zhang, Z., Schwartz, S., Wagner, L., Miller, W., A greedy algorithm for aligning DNA sequences (2000) Journal of Computational Biology, 7 (1-2), pp. 203-214. , DOI 10.1089/10665270050081478; Zhang, X.X., Li, C.J., Nan, Z.B., Matthew, C., Neotyphodium endophyte increases Achnatherum inebrians (drunken horse grass) resistance to herbivores and seed predators (2011) Weed Res., 52, pp. 70-78 |
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EcoFoG @ webmaster @ |
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Zinger, L.; Chave, J.; Coissac, E.; Iribar, A.; Louisanna, E.; Manzi, S.; Schilling, V.; Schimann, H.; Sommeria-Klein, G.; Taberlet, P. |
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Extracellular DNA extraction is a fast, cheap and reliable alternative for multi-taxa surveys based on soil DNA |
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Journal Article |
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2016 |
Publication |
Soil Biology and Biochemistry |
Abbreviated Journal |
Soil Biology and Biochemistry |
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96 |
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16-19 |
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DNA extraction protocol; DNA metabarcoding; Multi-taxa biodiversity; Tropical forest |
| Abstract |
DNA metabarcoding on soil samples is increasingly used for large-scale and multi-taxa biodiversity studies. However, DNA extraction may be a major bottleneck for such wide uses. It should be cost/time effective and allow dealing with large sample volumes so as to maximise the representativeness of both micro- and macro-organisms diversity. Here, we compared the performances of a fast and cheap extracellular DNA extraction protocol with a total DNA extraction method in retrieving bacterial, eukaryotic and plant diversity from tropical soil samples of ca. 10 g. The total DNA extraction protocol yielded more high-quality DNA. Yet, the extracellular DNA protocol provided similar diversity assessments although it presented some differences in clades relative abundance and undersampling biases. We argue that extracellular DNA is a good compromise between cost, labor, and accuracy for high-throughput DNA metabarcoding studies of soil biodiversity. © 2016 Elsevier Ltd. |
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INRA UMR ECOFOG, Kourou, French Guiana |
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Export Date: 17 February 2016 |
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EcoFoG @ webmaster @ |
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663 |
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Falster, D.S.; Duursma, R.A.; Ishihara, M.I.; Barneche, D.R.; FitzJohn, R.G.; Vårhammar, A.; Aiba, M.; Ando, M.; Anten, N.; Aspinwall, M.J.; Baltzer, J.L.; Baraloto, C.; Battaglia, M.; Battles, J.J.; Lamberty, B.B.; Van Breugel, M.; Camac, J.; Claveau, Y.; Coll, L.; Dannoura, M.; Delagrange, S.; Domec, J.C.; Fatemi, F.; Feng, W.; Gargaglione, V.; Goto, Y.; Hagihara, A.; Hall, J.S.; Hamilton, S.; Harja, D.; Hiura, T.; Holdaway, R.; Hutley, L.B.; Ichie, T.; Jokela, E.J.; Kantola, A.; Kelly, J.W.G.; Kenzo, T.; King, D.; Kloeppel, B.D.; Kohyama, T.; Komiyama, A.; Laclau, J.P.; Lusk, C.H.; Maguire, D.A.; Le Maire, G.; Mäkelä, A.; Markesteijn, L.; Marshall, J.; McCulloh, K.; Miyata, I.; Mokany, K.; Mori, S.; Myster, R.W.; Nagano, M.; Naidu, S.L.; Nouvellon, Y.; O'Grady, A.P.; O'Hara, K.L.; Ohtsuka, T.; Osada, N.; Osunkoya, O.O.; Peri, P.L.; Petritan, A.M.; Poorter, L.; Portsmuth, A.; Potvin, C.; Ransijn, J.; Reid, D.; Ribeiro, S.C.; Roberts, S.D.; Rodríguez, R.; Acosta, A.S.; Santa-Regina, I.; Sasa, K.; Selaya, N.G.; Sillett, S.C.; Sterck, F.; Takagi, K.; Tange, T.; Tanouchi, H.; Tissue, D.; Umehara, T.; Utsugi, H.; Vadeboncoeur, M.A.; Valladares, F.; Vanninen, P.; Wang, J.R.; Wenk, E.; Williams, R.; De Aquino Ximenes, F.; Yamaba, A.; Yamada, T.; Yamakura, T.; Yanai, R.D.; York, R.A. |
| Title |
BAAD: a Biomass And Allometry Database for woody plants |
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Journal Article |
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2015 |
Publication |
Ecology |
Abbreviated Journal |
Ecology |
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96 |
Issue |
5 |
Pages |
1445 |
| Keywords |
Allometric equations; Biomass allocation; Biomass partitioning; Global carbon cycle; Plant allometry; Plant traits |
| Abstract |
Understanding how plants are constructed; i.e., how key size dimensions and the amount of mass invested in different tissues varies among individuals; is essential for modeling plant growth, estimating carbon stocks, and mapping energy fluxes in the terrestrial biosphere. Allocation patterns can differ through ontogeny, but also among coexisting species and among species adapted to different environments. While a variety of models dealing with biomass allocation exist, we lack a synthetic understanding of the underlying processes. This is partly due to the lack of suitable data sets for validating and parameterizing models. To that end, we present the Biomass and allometry database (BAAD) for woody plants. The BAAD contains 259 634 measurements collected in 176 different studies, from 21 084 individuals across 678 species. Most of these data come from existing publications. However, raw data were rarely made public at time of publication. Thus the BAAD contains individual level data from different studies, transformed into standard units and variable names. The transformations were achieved using a common workflow for all raw data files. Other features that distinguish the BAAD are: (i) measurements were for individual plants rather than stand averages; (ii) individuals spanning a range of sizes were measured; (iii) inclusion of plants from 0.01-100 m in height; and (iii) biomass was estimated directly, i.e., not indirectly via allometric equations (except in very large trees where biomass was estimated from detailed subsampling). We included both wild and artificially grown plants. The data set contains the following size metrics: total leaf area; area of stem crosssection including sapwood, heartwood, and bark; height of plant and crown base, crown area, and surface area; and the dry mass of leaf, stem, branches, sapwood, heartwood, bark, coarse roots, and fine root tissues. We also report other properties of individuals (age, leaf size, leaf mass per area, wood density, nitrogen content of leaves and wood), as well as information about the growing environment (location, light, experimental treatment, vegetation type) where available. It is our hope that making these data available will improve our ability to understand plant growth, ecosystem dynamics, and carbon cycling in the world's vegetation. |
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Department of Disturbance Ecology, University of Bayreuth, Germany |
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Export Date: 1 September 2016 |
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EcoFoG @ webmaster @ |
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686 |
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Céréghino, R.; Corbara, B.; Hénaut, Y.; Bonhomme, C.; Compin, A.; Dejean, A. |
| Title |
Ant and spider species as surrogates for functional community composition of epiphyte-associated invertebrates in a tropical moist forest |
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Journal Article |
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2019 |
Publication |
Ecological Indicators |
Abbreviated Journal |
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96 |
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694-700 |
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Functional traits; Indicator species; Phytotelmata; Rainforests; Surrogacy; Tank bromeliads |
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Epiphytes represent up to 50% of all plant species in rainforests, where they host a substantial amount of invertebrate biomass. Efficient surrogates for epiphyte invertebrate communities could reduce the cost of biomonitoring surveys while preventing destructive sampling of the plants. Here, we focus on the invertebrate communities associated to tank bromeliads. We ask whether the presence of particular ant and/or spider taxa (easily surveyed taxa) that use these plants as nesting and/or foraging habitats predicts functional trait combinations of aquatic invertebrate communities hosted by the plants. Functional community composition of invertebrates was predicted both by bromeliad habitat features and the presence of certain ant and spider species. The ant Azteca serica preferred wider bromeliad rosettes that trap large amount of detritus, indicating interstitial-like food webs dominated by deposit feeders that burrow in fine particulate organic matter. Leucauge sp. spiders preferred narrower bromeliad rosettes bearing smaller detrital loads, thereby indicating a dominance of pelagic filter-feeding and predatory invertebrates in the water-filled leaf axils. Both Neoponera villosa ants and Eriophora sp. spiders preferred rosettes at intermediate size bearing moderate amounts of detritus, indicating a benthic food web dominated by leaf shredders and gathering collectors. Owing to the animal diversity and biomass supported by rainforest epiphytes, our approach would deserve to be further tested on a range of epiphytes involved in tight interactions with invertebrates. In this context, surrogate species could serve both as indicators of functional diversity, and as early-warning indicators of network disassembly. |
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1470-160x |
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EcoFoG @ webmaster @ |
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841 |
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