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| Author | Leroy, C.; Corbara, B.; Pélozuelo, L.; Carrias, J.-F.; Dejean, A.; Céréghino, R. | ||||
| Title | Ant species identity mediates reproductive traits and allocation in an ant-garden bromeliad | Type | Journal Article | ||
| Year | 2012 | Publication | Annals of Botany | Abbreviated Journal | Ann. Bot. |
| Volume | 109 | Issue | 1 | Pages | 145-152 |
| Keywords | δ15N; Aechmea mertensii; Bromeliaceae; bromeliad; Camponotus femoratus; floral traits; fruit-set; mutualistic ants; Pachycondyla goeldii; reproductive allocation; stable isotopes | ||||
| Abstract | •Background and Aims: Determining the sources of variation in floral morphology is crucial to understanding the mechanisms underlying Angiosperm evolution. The selection of floral and reproductive traits is influenced by the plants abiotic environment, florivores and pollinators. However, evidence that variations in floral traits result from mutualistic interactions with insects other than pollinators is lacking in the published literature and has rarely been investigated. We aimed to determine whether the association with either Camponotus femoratus or Pachycondyla goeldii (both involved in seed dispersal and plant protection) mediates the reproductive traits and allocation of Aechmea mertensii, an obligatory ant-garden tank-bromeliad, differently.•Methods: Floral and reproductive traits were compared between the two A. mertensii ant-gardens. The nitrogen flux from the ants to the bromeliads was investigated through experimental enrichments with stable isotopes (15N).•Key Results: Camponotus femoratus-associated bromeliads produced inflorescences up to four times longer than did P. goeldii-associated bromeliads. Also, the numbers of flowers and fruits were close to four times higher, and the number of seeds and their mass per fruit were close to 1·5 times higher in C. femoratus than in P. goeldii-associated bromeliads. Furthermore, the 15N-enrichment experiment showed that C. femoratus-associated bromeliads received more nitrogen from ants than did P. goeldii-associated bromeliads, with subsequent positive repercussions on floral development. Greater benefits were conferred to A. mertensii by the association with C. femoratus compared with P. goeldii ants.•Conclusions: We show for the first time that mutualistic associations with ants can result in an enhanced reproductive allocation for the bromeliad A. mertensii. Nevertheless, the strength and direction of the selection of floral and fruit traits change based on the ant species and were not related to light exposure. The different activities and ecological preferences of the ants may play a contrasting role in shaping plant evolution and speciation. © The Author 2011. | ||||
| Address | Université de Toulouse, 118 route de Narbonne, F-31062 Toulouse Cedex 9, France | ||||
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| ISSN | 03057364 (Issn) | ISBN | Medium | ||
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Export Date: 12 January 2012; Source: Scopus; Coden: Anboa; doi: 10.1093/aob/mcr253; Language of Original Document: English; Correspondence Address: Leroy, C.; CNRS, UMR Ecologie des Forêts de Guyane (UMR-CNRS 8172), Campus Agronomique, F-97379 Kourou Cedex, France; email: celine.leroy@ecofog.gf | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 378 | ||
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| Author | Mouillot, D.; Bellwood, D.R.; Baraloto, C.; Chave, J.; Galzin, R.; Harmelin-Vivien, M.; Kulbicki, M.; Lavergne, S.; Lavorel, S.; Mouquet, N.; Paine, C.E.T.; Renaud, J.; Thuiller, W. | ||||
| Title | Rare Species Support Vulnerable Functions in High-Diversity Ecosystems | Type | Journal Article | ||
| Year | 2013 | Publication | PLoS Biology | Abbreviated Journal | PloS Biol. |
| Volume | 11 | Issue | 5 | Pages | e1001569 |
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| Abstract | Around the world, the human-induced collapses of populations and species have triggered a sixth mass extinction crisis, with rare species often being the first to disappear. Although the role of species diversity in the maintenance of ecosystem processes has been widely investigated, the role of rare species remains controversial. A critical issue is whether common species insure against the loss of functions supported by rare species. This issue is even more critical in species-rich ecosystems where high functional redundancy among species is likely and where it is thus often assumed that ecosystem functioning is buffered against species loss. Here, using extensive datasets of species occurrences and functional traits from three highly diverse ecosystems (846 coral reef fishes, 2,979 alpine plants, and 662 tropical trees), we demonstrate that the most distinct combinations of traits are supported predominantly by rare species both in terms of local abundance and regional occupancy. Moreover, species that have low functional redundancy and are likely to support the most vulnerable functions, with no other species carrying similar combinations of traits, are rarer than expected by chance in all three ecosystems. For instance, 63% and 98% of fish species that are likely to support highly vulnerable functions in coral reef ecosystems are locally and regionally rare, respectively. For alpine plants, 32% and 89% of such species are locally and regionally rare, respectively. Remarkably, 47% of fish species and 55% of tropical tree species that are likely to support highly vulnerable functions have only one individual per sample on average. Our results emphasize the importance of rare species conservation, even in highly diverse ecosystems, which are thought to exhibit high functional redundancy. Rare species offer more than aesthetic, cultural, or taxonomic diversity value; they disproportionately increase the potential breadth of functions provided by ecosystems across spatial scales. As such, they are likely to insure against future uncertainty arising from climate change and the ever-increasing anthropogenic pressures on ecosystems. Our results call for a more detailed understanding of the role of rarity and functional vulnerability in ecosystem functioning. © 2013 Mouillot et al. | ||||
| Address | Biological and Environmental Sciences, University of Stirling, Stirling, United Kingdom | ||||
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| ISSN | 15449173 (Issn) | ISBN | Medium | ||
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Export Date: 12 June 2013; Source: Scopus; Art. No.: e1001569; Coden: Pblib; :doi 10.1371/journal.pbio.1001569; Language of Original Document: English; Correspondence Address: Mouillot, D.; Unité Mixte de Recherche (UMR) Centre National de la Recherche Scientifique (CNRS)-UM2, Institut français de recherche pour l'exploitation de la mer (IFREMER), Institute for Research and Development (IRD) 5119 ECOSYM, Université Montpellier 2 cc 093, Montpellier, France; email: david.mouillot@univ-montp2.fr | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 492 | ||
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| Author | Jona Lasinio, G.; Pollice, A.; Marcon, E.; Fano, E.A. | ||||
| Title | Assessing the role of the spatial scale in the analysis of lagoon biodiversity. A case-study on the macrobenthic fauna of the Po River Delta | Type | Journal Article | ||
| Year | 2017 | Publication | Ecological Indicators | Abbreviated Journal | Ecological Indicators |
| Volume | 80 | Issue | Pages | 303-315 | |
| Keywords | Biodiversity partitioning; Lagoon biodiversity; Macrobenthic fauna; Mixed effects models; Tsallis entropy | ||||
| Abstract | The analysis of benthic assemblages is a valuable tool to describe the ecological status of transitional water ecosystems, but species are extremely sensitive and respond to both microhabitat and seasonal differences. The identification of changes in the composition of the macrobenthic community in specific microhabitats can then be used as an “early warning” for environmental changes which may affect the economic and ecological importance of lagoons, through their provision of Ecosystem Services. From a conservational point of view, the appropriate definition of the spatial aggregation level of microhabitats or local communities is of crucial importance. The main objective of this work is to assess the role of the spatial scale in the analysis of lagoon biodiversity. First, we analyze the variation in the sample coverage for alternative aggregations of the monitoring stations in three lagoons of the Po River Delta. Then, we analyze the variation of a class of entropy indices by mixed effects models, properly accounting for the fixed effects of biotic and abiotic factors and random effects ruled by nested sources of variability corresponding to alternative definitions of local communities. Finally, we address biodiversity partitioning by a generalized diversity measure, namely the Tsallis entropy, and for alternative definitions of the local communities. The main results obtained by the proposed statistical protocol are presented, discussed and framed in the ecological context. © 2017 Elsevier Ltd | ||||
| Address | Dipartimento di Scienze della Vita e Biotecnologie, Università degli Studi di Ferrara, Ferrara, Italy | ||||
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Export Date: 12 June 2017 | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 755 | ||
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| Author | Zaremski, A.; Gastonguay, L.; Zaremski, C.; Chaffanel, F.; Le Floch, G.; Beauchene, J. | ||||
| Title | Capacity of tropical forest soils of french guiana and réunion for depolluting the woods impregnated with biocides | Type | Journal Article | ||
| Year | 2013 | Publication | Bois et Forets des Tropiques | Abbreviated Journal | Bois Forets Tropiques |
| Volume | 67 | Issue | 318 | Pages | 51-58 |
| Keywords | Bioremediation; Copper chromium arsenic(CCA) wood-destroying fungi; Depollution; Loss of mass; Pentachlorophenol(PCP); Treated timber; Tropical soil | ||||
| Abstract | Wood material for a long time was treated with fungicides or insecticides whose impact on the soil after leaching constitutes a real environmental problem. Nowadays, most of the studies on degradation of these toxic products was carried out with microorganisms which have been isolated in the laboratory. The present study sought to refine the knowledge vis-à-vis these microorganisms, especially wood-destroying fungi degrading pollutants in situ, from which few data are actually available. To decontaminate treated wood, the capacity of wooddestroying microorganisms from tropical forest soils of French Guiana and Reunion was evaluated to degrade toxic biocides. These are pentachlorophenol (PCP) and copper- chromium arsenic based compounds (CCA). Monitoring the degradation of samples of red pine, Pinus resinosa, shows that soils of French Guiana are more efficient than those of Reunion Island in terms of microbial activity vis-àvis these two biocides. A significant difference in loss of mass in specimens of red pine treated with CCA and PCP can range from single to double (respectively 18% and 30%). These findings confirm that CCA is less leacher and less degradable than the PCP by microorganisms in the soil. According to the scale of mass loss in laboratory tests, the wood so treated would be classified very not durable after three years of contact with soil, while the treatment is expected to be very durable. | ||||
| Address | Cirad Umr Ecofog, BP 701, 97387 Kourou cedex, France | ||||
| Corporate Author | Thesis | ||||
| Publisher | Lavoisier | Place of Publication | Editor | ||
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| ISSN | 17775760 (Issn) | ISBN | Medium | ||
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| Notes |
Export Date: 12 May 2014; Source: Scopus; Language of Original Document: French | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 540 | ||
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| Author | Dejean, A.; Corbara, B. | ||||
| Title | Reactions by army ant workers to nestmates having had contact with sympatric ant species | Type | Journal Article | ||
| Year | 2014 | Publication | Comptes Rendus Biologies | Abbreviated Journal | C. R. Biol. |
| Volume | 337 | Issue | 11 | Pages | 642-645 |
| Keywords | Army ants Antipredation Colony-mate recognition Eciton Transferring cuticular compounds; Eciton; Formicidae | ||||
| Abstract | It was recently shown that Pheidole megacephala colonies (an invasive species originating from Africa) counterattack when raided by the army ant, Eciton burchellii. The subsequent contact permits Pheidole cuticular compounds (that constitute the “colony odour”) to be transferred onto the raiding Eciton, which are then not recognised by their colony-mates and killed. Using a simple method for transferring cuticular compounds, we tested if this phenomenon occurs for Neotropical ants. Eciton workers rubbed with ants from four sympatric species were released among their colony-mates. Individuals rubbed with Solenopsis saevissima or Camponotus blandus workers were attacked, but not those rubbed with Atta sexdens, Pheidole fallax or with colony-mates (control lot). So, the chemicals of certain sympatric ant species, but not others, trigger intra-colonial aggressiveness in Eciton. We conclude that prey-ant chemicals might have played a role in the evolution of army ant predatory behaviour, likely influencing prey specialization in certain cases. | ||||
| Address | Clermont Université, Université Blaise-Pascal, LMGE, BP 10448Clermont-Ferrand, France | ||||
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| Publisher | Elsevier Masson SAS | Place of Publication | Editor | ||
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| ISSN | 16310691 (Issn) | ISBN | Medium | ||
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Export Date: 12 November 2014; Coden: Crboc; Correspondence Address: Dejean, A.; CNRS, É Cologie des Forêts de Guyane, UMR-CNRS 8172, BP 316, France | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 566 | ||
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| Author | Lachenaud, P.; Rossi, V.; Thevenin, J.-M.; Doaré, F. | ||||
| Title | The “Guiana” genetic group: A new source of resistance to cacao (Theobroma cacao L.) black pod rot caused by Phytophthora capsici | Type | Journal Article | ||
| Year | 2015 | Publication | Crop Protection | Abbreviated Journal | Crop Prot. |
| Volume | 67 | Issue | Pages | 91-95 | |
| Keywords | Black pod; Cocoa; French guiana; Phytophthora capsici; Resistance; Phytophthora capsici; Theobroma cacao | ||||
| Abstract | Black pod rot, caused by Stramenopiles of the genus Phytophthora, leads to serious production losses in all cocoa growing zones. In order to reduce the impact of these pests, preference is given to genetic control using resistant varieties, and sources of resistance are actively being sought, particularly in wild cacao trees. Surveys were undertaken in the natural cacao tree populations of south-eastern French Guiana between 1985 and 1995 and an abundant amount of plant material belonging to a particular genetic group, the “Guiana” group, was collected. A great deal of work has shown the merits of this genetic group as a source of resistance to Phytophthora palmivora and megakarya. We describe here the results of a global study to assess the resistance of the 186 clones in the “Guiana” group “core collection” to a Guianese strain of Phytophthora capsici (strain Reg 2-6). This study, which used an efficient methodology (fifteen series of tests on leaf discs and a statistical test adapted to the ordinal nature of the basic data), showed that the “Guiana” genetic group is a major source of resistance to P.capsici. Strain Reg 2-6 proves to be particularly virulent, as the Scavina 6 control, an international reference for resistance to Phytophthora, is not resistant to it. However, 24 clones of the “Guiana” group are, and 92 have proved to be more resistant than Scavina 6, thereby showing the interest of the group in genetically controlling P.capsici.Thus, of the clones in the Guiana group that are more resistant to P.capsici than Scavina 6, some, which are also resistant to P.palmivora and/or Phytophthora megakarya, and also displaying some other notable qualities, could be incorporated into cocoa genetic improvement programmes in countries where P.capsici is rife on cacao trees. | ||||
| Address | CIRAD, UPR BSEF, BP 2572Yaoundé, Cameroon | ||||
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| Publisher | Elsevier Ltd | Place of Publication | Editor | ||
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| ISSN | 02612194 (Issn) | ISBN | Medium | ||
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| Notes |
Export Date: 12 November 2014; Coden: Crptd; Correspondence Address: Lachenaud, P.; CIRAD, UPR 106, BP 701, France | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 565 | ||
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| Author | Fu, Z.; Gerken, T.; Bromley, G.; Araújo, A.; Bonal, D.; Burban, B.; Ficklin, D.; Fuentes, J.D.; Goulden, M.; Hirano, T.; Kosugi, Y.; Liddell, M.; Nicolini, G.; Niu, S.; Roupsard, O.; Stefani, P.; Mi, C.; Tofte, Z.; Xiao, J.; Valentini, R.; Wolf, S.; Stoy, P.C. | ||||
| Title | The surface-atmosphere exchange of carbon dioxide in tropical rainforests: Sensitivity to environmental drivers and flux measurement methodology | Type | Journal Article | ||
| Year | 2018 | Publication | Agricultural and Forest Meteorology | Abbreviated Journal | Agric. For. Meterol. |
| Volume | 263 | Issue | Pages | 292-307 | |
| Keywords | Climate variability; Ecosystem respiration; Eddy covariance; Gross primary productivity; Net ecosystem carbon dioxide exchange; Tropical rainforest; acclimation; air temperature; anthropogenic effect; atmosphere-biosphere interaction; biodiversity; carbon flux; climate change; Cmip; eddy covariance; environmental change; flux measurement; methodology; net ecosystem exchange; net ecosystem production; radiative forcing; rainforest; sensitivity analysis; tropical environment | ||||
| Abstract | Tropical rainforests play a central role in the Earth system by regulating climate, maintaining biodiversity, and sequestering carbon. They are under threat by direct anthropogenic impacts like deforestation and the indirect anthropogenic impacts of climate change. A synthesis of the factors that determine the net ecosystem exchange of carbon dioxide (NEE) at the site scale across different forests in the tropical rainforest biome has not been undertaken to date. Here, we study NEE and its components, gross ecosystem productivity (GEP) and ecosystem respiration (RE), across thirteen natural and managed forests within the tropical rainforest biome with 63 total site-years of eddy covariance data. Our results reveal that the five ecosystems with the largest annual gross carbon uptake by photosynthesis (i.e. GEP > 3000 g C m−2 y-1) have the lowest net carbon uptake – or even carbon losses – versus other study ecosystems because RE is of a similar magnitude. Sites that provided subcanopy CO2 storage observations had higher average magnitudes of GEP and RE and lower average magnitudes of NEE, highlighting the importance of measurement methodology for understanding carbon dynamics in ecosystems with characteristically tall and dense vegetation. A path analysis revealed that vapor pressure deficit (VPD) played a greater role than soil moisture or air temperature in constraining GEP under light saturated conditions across most study sites, but to differing degrees from -0.31 to -0.87 μmol CO2 m−2 s-1 hPa-1. Climate projections from 13 general circulation models (CMIP5) under the representative concentration pathway that generates 8.5 W m−2 of radiative forcing suggest that many current tropical rainforest sites on the lower end of the current temperature range are likely to reach a climate space similar to present-day warmer sites by the year 2050, warmer sites will reach a climate not currently experienced, and all forests are likely to experience higher VPD. Results demonstrate the need to quantify if and how mature tropical trees acclimate to heat and water stress, and to further develop flux-partitioning and gap-filling algorithms for defensible estimates of carbon exchange in tropical rainforests. © 2018 Elsevier B.V. | ||||
| Address | Department of Environmental Systems Science, ETH Zurich, Zurich, 8092, Switzerland | ||||
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| Publisher | Elsevier B.V. | Place of Publication | Editor | ||
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| ISSN | 01681923 (Issn) | ISBN | Medium | ||
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| Notes |
Export Date: 12 November 2018; Coden: Afmee; Correspondence Address: Stoy, P.C.; Department of Land Resources and Environmental Sciences, Montana State UniversityUnited States; email: paul.stoy@montana.edu; Funding details: ANR-10-LABX-25-01; Funding details: U.S. Department of Energy, DOE, SC0011097; Funding details: Agence Nationale de la Recherche, ANR; Funding details: 1702029; Funding details: 1552976; Funding details: Graduate School, Ohio State University; Funding details: National Natural Science Foundation of China, NSFC, 31625006; Funding text 1: PCS and JDF acknowledges funding support from the U.S. Department of Energy as part of the GoAmazon project (Grant SC0011097 ). PCS additionally acknowledges the U.S. National Science Foundation grants 1552976 and 1702029 , and The Graduate School at Montana State University . ZF is supported by the China Scholarship Council and National Natural Science Foundation of China ( 31625006 ). This work used eddy covariance data acquired and shared by the FLUXNET community, including the AmeriFlux, AfriFlux, AsiaFlux, CarboAfrica, LBA, and TERN- OzFlux networks. The FLUXNET eddy covariance data processing and harmonization was carried out by the ICOS Ecosystem Thematic Center, AmeriFlux Management Project and Fluxdata project of FLUXNET, with the support of CDIAC, and the OzFlux, ChinaFlux and AsiaFlux offices. The Guyaflux program belongs to the SOERE F-ORE-T which is supported annually by Ecofor, Allenvi and the French national research infrastructure ANAEE-F. The Guyaflux program also received support from the “Observatoire du Carbone en Guyane” and an “investissement d'avenir” grant from the Agence Nationale de la Recherche (CEBA, ref ANR-10-LABX-25-01). Funding for the site PA-SPn was provided by the North-South Centre of ETH Zurich. We acknowledge the World Climate Research Programme's Working Group on Coupled Modeling for the CMIP and thank the climate modeling groups for producing and making available their model output. For CMIP, the U.S. Department of Energy's Program for Climate Model Diagnosis and Intercomparison provides coordinating support and led development of software infrastructure in partnership with the Global Organization for Earth System Science Portals. Angela Tang and Taylor Rodenburg provided valuable comments to earlier drafts of this manuscript. We thank Dr. Tim Hill and two anonymous reviewers for their constructive comments on the manuscript.; References: Acevedo, O.C., Moraes, O.L.L., Degrazia, G.A., Fitzjarrald, D.R., Manzi, A.O., Campos, J.G., Is friction velocity the most appropriate scale for correcting nocturnal carbon dioxide fluxes? (2009) Agric. For. 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| Call Number | EcoFoG @ webmaster @ | Serial | 831 | ||
| Permanent link to this record | |||||
| Author | Meyer-Sand, B.R.V.; Blanc-Jolivet, C.; Mader, M.; Paredes-Villanueva, K.; Tysklind, N.; Sebbenn, A.M.; Guichoux, E.; Degen, B. | ||||
| Title | Development of a set of SNP markers for population genetics studies of Ipe (Handroanthus sp.), a valuable tree genus from Latin America | Type | Journal Article | ||
| Year | 2018 | Publication | Conservation Genetics Resources | Abbreviated Journal | Conserv. Gen. Res. |
| Volume | 10 | Issue | 4 | Pages | 779-781 |
| Keywords | Handroanthus sp; MassARRAY; Single nucleotide polymorphism | ||||
| Abstract | A combination of restriction associated DNA sequencing (RADSeq) and low coverage MiSeq genome sequencing was used for the development of single nucleotide polymorphisms (SNP) and INDEL (insertion/deletions) genetic markers for Ipe (Handroanthus sp.). Of the 402 putative loci identified, 389 SNPs and INDELs (315 nuclear SPNs, six chloroplast INDELs, 15 chloroplast SNPs, 12 mitochondrial INDELs and 41 mitochondrial SNPs) were successfully genotyped at 93 individuals from Brazil, Bolivia and French Guiana using a MassARRAY® iPLEX™ platform. This set of markers will be invaluable for population genetics, phylogeography and DNA fingerprinting studies. © 2017, Springer Science+Business Media B.V., part of Springer Nature. | ||||
| Address | Plateforme Génome Transcriptome de Bordeaux, INRA Pierroton, Bâtiment Artiga, 69 route d’Arcachon, Cestas, 33610, France | ||||
| Corporate Author | Thesis | ||||
| Publisher | Springer Netherlands | Place of Publication | Editor | ||
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 18777252 (Issn) | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes |
Export Date: 12 November 2018; Correspondence Address: Blanc-Jolivet, C.; Thünen Institute of Forest Genetics, Sieker Landstrasse 2, Germany; email: celine.blanc-jolivet@thuenen.de; References: Blanc-Jolivet, C., Kersten, B., Bourland, N., Guichoux, E., Delcamp, A., Doucet, J.-L., Degen, B., Development of nuclear SNP markers for the timber tracking of the African tree species Sapelli, Entandrophragma cylindricum (2017) Conserv Genet Resour; Blanc-Jolivet, C., Kersten, B., Daïnou, K., Hardy, O., Guichoux, E., Delcamp, A., Degen, B., Development of nuclear SNP markers for genetic tracking of Iroko, Milicia excelsa and Milicia regia (2017) Conserv Genet Resour; Braga, A.C., Reis, A.M.M., Leoi, L.T., Pereira, R.W., Collevatti, R.G., Development and characterization of microsatellite markers for the tropical tree species Tabebuia aurea (Bignoniaceae) (2007) Mol Ecol Notes, 7, pp. 53-56. , COI: 1:CAS:528:DC%2BD2sXis1Sjuro%3D; Dumolin, S., Demesure, B., Pettit, R., Inheritance of chloroplast and mitochondrial genomes in pedunculate oak investigated with an efficient PCR method (1995) Theor Appl Genet, 91, pp. 1253-1256. , COI: 1:CAS:528:DyaK28XhsFKmsLo%3D; Goudet, J., Fstat (Version 2.9.3.2.): a computer program to calculate F-statistics (2002) J Heredity, 86, pp. 485-486; Grose, S.O., Olmstead, R.G., Evolution of a charismatic neotropical clade: molecular phylogeny of Tabebuia s. L crescentieae, and allied genera (Bignoniaceae) (2007) Syst Bot, 32, pp. 650-659; Jardine, D.I., Blanc-Jolivet, C., Dixon, R.R.M., Dormontt, E.E., Dunker, B., Gerlach, J., Development of SNP markers for Ayous (Triplochiton scleroxylon K. Schum) an economically important tree species from tropical West and Central Africa (2016) Conserv Genet Resour, 8 (2), pp. 129-139; Miller, M.R., Dunham, J.P., Amores, A., Cresko, W.A., Johnson, E.A., Rapid and cost-effective polymorphism identification and genotyping using restriction site associated DNA (RAD) markers (2007) Genome Res, 17, pp. 240-248. , COI: 1:CAS:528:DC%2BD2sXhsFKis7w%3D; Pakull, B., Mader, M., Kersten, B., Ekue, M.R.M., Dipelet, U.G.B., Paulini, M., Development of nuclear, chloroplast and mitochondrial SNP markers for Khaya sp (2016) Conserv Genet Resour, 8 (3), pp. 283-297; Schulze, M., Grogan, J., Uhl, C., Lentini, M., Vidal, E., Evaluating Ipê (Tabebuia, Bignoniaceae) logging in amazonia: Sustainable management or catalyst for forest degradation? (2008) Biol Conserv, 141, pp. 2071-2085; Straub, S.C., Parks, M., Weitemier, K., fishbein, M., Cronn, R.C., Liston, A., Navigating the tip of the genomic iceberg: next-generation sequencing for plant systematics (2012) Am J Bot, 99, pp. 349-364. , COI: 1:CAS:528:DC%2BC38XksValtbo%3D | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 832 | ||
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| Author | Nirma, C.; Eparvier, V.; Stien, D. | ||||
| Title | Reactivation of antibiosis in the entomogenous fungus Chrysoporthe sp. SNB-CN74 | Type | Journal Article | ||
| Year | 2015 | Publication | Journal of Antibiotics | Abbreviated Journal | Journal of Antibiotics |
| Volume | 68 | Issue | 9 | Pages | 586-590 |
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| Abstract | Chrysoporthe sp. SNB-CN74 was isolated from a Nasutitermes corniger nest, and its ethyl acetate extract was found to exhibit very strong antibacterial activity. Two antibacterial metabolites were isolated, (-)-R-skyrin (2) and (+)-rugulosin A (3). Eventually, the fungus lost its antibiotic potential when subcultured, and the use of yeast extract induced the re-expression of these two antibiotics. Yeast extract possibly activated a cryptic pathway by mimicking the presence of an ecological competitor. © 2015 Japan Antibiotics Research Association All rights reserved. | ||||
| Address | Sorbonne Universités, Laboratoire de Biodiversité et Biotechnologies Microbiennes (LBBM), Observatoire Océanologique, Banyuls-sur-mer, France | ||||
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Export Date: 12 October 2015 | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 628 | ||
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| Author | Paine, C.E.T.; Baraloto, C.; Díaz, S. | ||||
| Title | Optimal strategies for sampling functional traits in species-rich forests | Type | Journal Article | ||
| Year | 2015 | Publication | Functional Ecology | Abbreviated Journal | Functional Ecology |
| Volume | 29 | Issue | 10 | Pages | 1325-1331 |
| Keywords | French Guiana; Functional traits; Plant traits; Sampling design; Specific leaf area; Tropical forest; Wood density | ||||
| Abstract | Functional traits provide insight into a variety of ecological questions, yet the optimal sampling method to estimate the community-level distribution of plant functional trait values remains a subject of debate, especially in species-rich forests. We present a simulation analysis of the trait distribution of a set of nine completely sampled permanent plots in the lowland rain forests of French Guiana. Increased sampling intensity consistently improved accuracy in estimating community-weighted means and variances of functional trait values, whereas there was substantial variation among functional traits and minor differences among sampling strategies. Thus, investment in intensified sampling yields a greater improvement in the accuracy of estimation than does an equivalent investment in sampling design complication. Notably, 'taxon-free' strategies frequently had greater accuracy than did abundance-based strategies, which had the additional cost of requiring botanical surveys. We conclude that there is no substitute for extensive field sampling to accurately characterize the distribution of functional trait values in species-rich forests. © 2015 British Ecological Society. | ||||
| Address | Instituto Multidisciplinario de Biología Vegetal (IMBIV-CONICET), Departamento de Diversidad Biológica y Ecología, FCEFyN, Universidad Nacional de Córdoba, CC 495, Córdoba, Argentina | ||||
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Export Date: 12 October 2015 | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 630 | ||
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