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Zinger, L.; Donald, J.; Brosse, S.; Gonzalez, M.A.; Iribar, A.; Leroy, C.; Murienne, J.; Orivel, J.; Schimann, H.; Taberlet, P.; Lopes, C.M. |
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Title |
Advances and prospects of environmental DNA in neotropical rainforests |
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Journal Article |
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Year |
2020 |
Publication |
Advances in Ecological Research |
Abbreviated Journal |
Adv. Ecol. Res. |
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62 |
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331-373 |
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Biomonitoring; Conservation biology; DNA metabarcoding; eDNA; Environmental genomics; Neotropics; Rainforests |
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The rainforests of the Neotropics shelter a vast diversity of plant, animal and microscopic species that provide critical ecosystem goods and services for both local and worldwide populations. These environments face a major crisis due to increased deforestation, pollution, and climate change, emphasizing the need for more effective conservation efforts. The adequate monitoring of these ecosystems has proven a complex and time consuming endeavour, which depends on ever dwindling taxonomic expertise. To date, many species remain undiscovered, let alone described, with otherwise limited information regarding known species population distributions and densities. Overcoming these knowledge shortfalls and practical limitations is becoming increasingly possible through techniques based on environmental DNA (eDNA), i.e., DNA that can be obtained from environmental samples (e.g. tissues, soil, sediment, water, etc.). When coupled with high-throughput sequencing, these techniques now enable realistic, cost-effective, and standardisable biodiversity assessments. This opens up enormous opportunities for advancing our understanding of complex and species-rich tropical communities, but also in facilitating large-scale biomonitoring programs in the neotropics. In this review, we provide a brief introduction to eDNA methods, and an overview of their current and potential uses in both terrestrial and aquatic ecosystems of neotropical rainforests. We also discuss the limits and challenges of these methods for our understanding and monitoring of biodiversity, as well as future research and applied perspectives of these techniques in neotropical rainforests, and beyond. © 2020 Elsevier Ltd |
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Departamento de Zoologia, Instituto de Biociências, Universidade Estadual Paulista (UNESP), Rio Claro, SP, Brazil |
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Academic Press Inc. |
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Dumbrell A.J.; Turner E.C.; Fayle T.M. |
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Advances in Ecological Research |
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62 |
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00652504 (Issn); 9780128211342 (Isbn) |
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EcoFoG @ webmaster @ |
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995 |
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Roy, M.; Vasco-Palacios, A.; Geml, J.; Buyck, B.; Delgat, L.; Giachini, A.; Grebenc, T.; Harrower, E.; Kuhar, F.; Magnago, A.; Rinaldi, A.C.; Schimann, H.; Selosse, M.-A.; Sulzbacher, M.A.; Wartchow, F.; Neves, M.-A. |
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The (re)discovery of ectomycorrhizal symbioses in Neotropical ecosystems sketched in Florianópolis |
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Journal Article |
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Year |
2017 |
Publication |
New Phytologist |
Abbreviated Journal |
New Phytologist |
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Volume |
214 |
Issue |
3 |
Pages |
920-923 |
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barcoding; biodiversity; ectomycorrhizal fungi; ectomycorrhizal roots; ectomycorrhizal symbioses; fruitbodies; Neotropical ecosystems |
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Departamento de Sistemática e Ecologia/CCEN, Laboratório de Morfo-Taxonomia Fúngica, Universidade Federal da Paraíba, João Pessoa, Paraíba, Brazil |
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Cited By :1; Export Date: 23 April 2017 |
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EcoFoG @ webmaster @ |
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749 |
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Roy, M.; Schimann, H.; Braga-Neto, R.; Da Silva, R.A.E.; Duque, J.; Frame, D.; Wartchow, F.; Neves, M.A. |
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Title |
Diversity and Distribution of Ectomycorrhizal Fungi from Amazonian Lowland White-sand Forests in Brazil and French Guiana |
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Journal Article |
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Year |
2016 |
Publication |
Biotropica |
Abbreviated Journal |
Biotropica |
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48 |
Issue |
1 |
Pages |
90-100 |
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campina; campinarana; Amanitaceae; Amanitaceae; Boletaceae; Boletaceae; Campina; Campinarana; Herbarium; Herbário; Russulaceae; Russulaceae |
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White-sand forests are thought to host many ectomycorrhizal fungi, as demonstrated by the numerous fruiting body collections made by Rolf Singer in the lower Rio Negro in the late 1970s. Despite recognition of the importance of ectomycorrhizal fungi in white-sand forests, there has not yet been a systematic examination of diversity and taxonomic composition across white-sand forests, or more widely across lowland Amazonian forests. In an effort to broaden our view of ectomycorrhizal fungal diversity and distribution on white-sand forests, we collected ectomycorrhizal fruiting bodies in 10 plots of white-sand forests in Brazil and French Guiana between 2012 and 2014. We collected 221 specimens and 62 morphospecies, from the 10 plots, confirming that all studied white-sand forests host ectomycorrhizal fungi. Additionally, we searched for taxa associated with white sands among specimens deposited in Brazilian herbaria. We report 1006 unique ectomycorrhizal specimen records in 18 Brazilian herbaria, of which 137 specimens and 64 species are reported from white-sand forests, mainly in the state of Amazonas, Brazil. Russulaceae and Amanitaceae were frequent in all habitats, and Cortinarius were more frequent on white sands. Our results highlight the high diversity and heterogeneity of ectomycorrhizal communities on white-sand forests, and the wide distribution of ectomycorrhizal fungi throughout Brazil, irrespective of soil type. © 2016 The Association for Tropical Biology and Conservation. |
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Departamento de Sistemática e Ecologia, Universidade Federal da Paraíba, João Pessoa, PB, Brazil |
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Cited By :2; Export Date: 12 February 2016 |
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EcoFoG @ webmaster @ |
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658 |
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Chaves, C.L.; Blanc-Jolivet, C.; Sebbenn, A.M.; Mader, M.; Meyer-Sand, B.R.V.; Paredes-Villanueva, K.; Honorio Coronado, E.N.; Garcia-Davila, C.; Tysklind, N.; Troispoux, V.; Massot, M.; Degen, B. |
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Title |
Nuclear and chloroplastic SNP markers for genetic studies of timber origin for Hymenaea trees |
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Journal Article |
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Year |
2019 |
Publication |
Conservation Genetics Resources |
Abbreviated Journal |
Conserv. Gen. Res. |
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11 |
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3 |
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329-331 |
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DNA fingerprints; Geographical origin; MiSeq; RADSeq |
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We developed nuclear and chloroplastic single nucleotide polymorphism (SNP) and INDEL (insertion/deletion) markers using restriction associated DNA sequencing (RADSeq) and low coverage MiSeq genome sequencing to set up a genetic tracking method of the geographical origin of Hymenaea sp. From two initial sets of 358 and 32 loci used to genotype at least 94 individuals, a final set of 75 nSNPs, 50 cpSNPs and 6 INDELs identifying significant population structure was developed. © 2018, Springer Nature B.V. |
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Departamento de Fitotecnia, Faculdade de Engenharia de Ilha Solteira, Universidade Estadual Paulista, Ilha Solteira, SP, Brazil |
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Springer Netherlands |
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18777252 (Issn) |
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EcoFoG @ webmaster @ |
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908 |
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Srivastava, D.S.; Céréghino, R.; Trzcinski, M.K.; MacDonald, A.A.M.; Marino, N.A.C.; Mercado, D.A.; Leroy, C.; Corbara, B.; Romero, G.Q.; Farjalla, V.F.; Barberis, I.M.; Dézerald, O.; Hammill, E.; Atwood, T.B.; Piccoli, G.C.O.; Ospina-Bautista, F.; Carrias, J.-F.; Leal, J.S.; Montero, G.; Antiqueira, P.A.P.; Freire, R.; Realpe, E.; Amundrud, S.L.; de Omena, P.M.; Campos, A.B.A. |
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Title |
Ecological response to altered rainfall differs across the Neotropics |
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Journal Article |
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Year |
2020 |
Publication |
Ecology |
Abbreviated Journal |
Ecology |
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Volume |
101 |
Issue |
4 |
Pages |
e02984 |
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contingency; distributed experiment; freshwater; global change biology; macroinvertebrates; phytotelmata; precipitation; aquatic ecosystem; climate change; climate conditions; ecosystem response; extreme event; functional group; invertebrate; Neotropical Region; rainfall; species pool; Bacteria (microorganisms); Invertebrata; rain; animal; climate change; drought; ecosystem; invertebrate; Animals; Climate Change; Droughts; Ecosystem; Invertebrates; Rain |
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There is growing recognition that ecosystems may be more impacted by infrequent extreme climatic events than by changes in mean climatic conditions. This has led to calls for experiments that explore the sensitivity of ecosystems over broad ranges of climatic parameter space. However, because such response surface experiments have so far been limited in geographic and biological scope, it is not clear if differences between studies reflect geographic location or the ecosystem component considered. In this study, we manipulated rainfall entering tank bromeliads in seven sites across the Neotropics, and characterized the response of the aquatic ecosystem in terms of invertebrate functional composition, biological stocks (total invertebrate biomass, bacterial density) and ecosystem fluxes (decomposition, carbon, nitrogen). Of these response types, invertebrate functional composition was the most sensitive, even though, in some sites, the species pool had a high proportion of drought-tolerant families. Total invertebrate biomass was universally insensitive to rainfall change because of statistical averaging of divergent responses between functional groups. The response of invertebrate functional composition to rain differed between geographical locations because (1) the effect of rainfall on bromeliad hydrology differed between sites, and invertebrates directly experience hydrology not rainfall and (2) the taxonomic composition of some functional groups differed between sites, and families differed in their response to bromeliad hydrology. These findings suggest that it will be difficult to establish thresholds of “safe ecosystem functioning” when ecosystem components differ in their sensitivity to climatic variables, and such thresholds may not be broadly applicable over geographic space. In particular, ecological forecast horizons for climate change may be spatially restricted in systems where habitat properties mediate climatic impacts, and those, like the tropics, with high spatial turnover in species composition. © 2020 by the Ecological Society of America |
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Departamento de Ciencias Biológicas, Universidad de Caldas, Caldas, 170001, Colombia |
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Ecological Society of America |
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00129658 (Issn) |
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EcoFoG @ webmaster @ |
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979 |
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Maia, A.C.D.; Gibernau, M.; Carvalho, A.T.; Gonçalves, E.G.; Schlindwein, C. |
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The cowl does not make the monk: Scarab beetle pollination of the Neotropical aroid Taccarum ulei (Araceae: Spathicarpeae) |
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Journal Article |
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Year |
2013 |
Publication |
Biological Journal of the Linnean Society |
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108 |
Issue |
1 |
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22-34 |
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Flower predation; Nocturnal pollinators; Pollination syndromes; Scarabaeidae; Thermogenesis |
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Taccarum ulei (Araceae, Spathicarpeae) is a seasonal geophytic aroid, native to north-eastern Brazil, that flowers during two months of the rainy season. Patterns of floral thermogenesis, pollination biology, and floral traits associated with pollination syndromes were studied and compared with those of other Araceae. Two species of cyclocephaline scarabs (Scarabaeidae, Cyclocephalini) were recognized as effective pollinators: Cyclocephala celata and Cyclocephala cearae. Larvae of an unidentified species of fruit fly (Melanolomaspp., Richardiidae, Diptera) were also frequently observed in inflorescences at various maturation stages, feeding on the connectives of male florets and fruits, and thus lowering the reproductive success of individual plants. Beetles were attracted by odoriferous inflorescences in the early evening of the first day of anthesis, during the female phase. The emission of attractive volatiles was coupled with intense thermogenic activity in the entire spadix, unlike other aroids in which only certain zones of the spadix heat up. Pollen release, which marks the beginning of the male phase on the subsequent evening, was not related to floral thermogenesis. Comparative multivariate analysis of the floral traits of T.ulei points to a beetle-pollinated aroid, although some of the observed traits of the species are not common to other taxa sharing this pollination strategy. Such incongruence might be explained by the evolutionary history of the tribe Spathicarpeae and potential pollinator shifts. © 2012 The Linnean Society of London. |
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Departamento de Botânica, Universidade Federal de Minas Gerais, Belo Horizonte, 31270-901, Brazil |
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Export Date: 3 January 2013; Source: Scopus |
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EcoFoG @ webmaster @ |
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453 |
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Maia, A.C.D.; Dötterl, S.; Kaiser, R.; Silberbauer-Gottsberger, I.; Teichert, H.; Gibernau, M.; do Amaral Ferraz Navarro, D.M.; Schlindwein, C.; Gottsberger, G. |
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The Key Role of 4-methyl-5-vinylthiazole in the Attraction of Scarab Beetle Pollinators: A Unique Olfactory Floral Signal Shared by Annonaceae and Araceae |
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Journal Article |
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Year |
2012 |
Publication |
Journal of Chemical Ecology |
Abbreviated Journal |
J. Chem. Ecol. |
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Volume |
38 |
Issue |
9 |
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1072-1080 |
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Beetle pollination; Floral scent; Gas chromatography-mass spectrometry (GC-MS); Olfactory-mediated attraction |
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Cyclocephaline scarabs are specialised scent-driven pollinators, implicated with the reproductive success of several Neotropical plant taxa. Night-blooming flowers pollinated by these beetles are thermogenic and release intense fragrances synchronized to pollinator activity. However, data on floral scent composition within such mutualistic interactions are scarce, and the identity of behaviorally active compounds involved is largely unknown. We performed GC-MS analyses of floral scents of four species of Annona (magnoliids, Annonaceae) and Caladium bicolor (monocots, Araceae), and demonstrated the chemical basis for the attraction of their effective pollinators. 4-Methyl-5-vinylthiazole, a nitrogen and sulphur-containing heterocyclic compound previously unreported in flowers, was found as a prominent constituent in all studied species. Field biotests confirmed that it is highly attractive to both male and female beetles of three species of the genus Cyclocephala, pollinators of the studied plant taxa. The origin of 4-methyl-5-vinylthiazole in plants might be associated with the metabolism of thiamine (vitamin B1), and we hypothesize that the presence of this compound in unrelated lineages of angiosperms is either linked to selective expression of a plesiomorphic biosynthetic pathway or to parallel evolution. © 2012 Springer Science+Business Media, LLC. |
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Departamento de Botânica, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil |
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00980331 (Issn) |
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Export Date: 2 November 2012; Source: Scopus; Coden: Jcecd; doi: 10.1007/s10886-012-0173-z; Language of Original Document: English; Correspondence Address: Maia, A. C. D.; Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife 50740-560, Brazil; email: arturcamposmaia@yahoo.com.br |
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444 |
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Devault, D.A.; Beilvert, B.; Winterton, P. |
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Ship breaking or scuttling? A review of environmental, economic and forensic issues for decision support |
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Journal Article |
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Year |
2017 |
Publication |
Environmental Science and Pollution Research |
Abbreviated Journal |
Environ. Sci. Pollut. Res. |
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Volume |
24 |
Issue |
33 |
Pages |
25741-25774 |
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Artificial reef; Diving; Ship recycling; Ship Recycling Facilities; Shipbreaking; Tourism; Working conditions; Wrecks; artificial reef; coastal erosion; coastal zone management; cost-benefit analysis; decision support system; developing world; economic impact; environmental economics; environmental impact assessment; environmental issue; facility location; health and safety; invasive species; profitability; recycling; shipping; tourism; working conditions; wreck; analysis; decision support system; economics; international cooperation; pollution; prevention and control; procedures; recycling; ship; statistics and numerical data; Decision Support Techniques; Environmental Pollution; Internationality; Recycling; Ships |
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In a globalized world, the world trade fleet plays a pivotal role in limiting transport costs. But, the management of obsolete ships is an acute problem, with most Ship Recycling Facilities (SRF) situated in developing countries. They are renowned for their controversial work and safety conditions and their environmental impact. Paradoxically, dismantlement is paid for by the shipowners in accordance with international conventions therefore it is more profitable for them to sell off ships destined for scrapping. Scuttling, the alternative to scrapping, is assessed in the present review to compare the cost/benefit ratios of the two approaches. Although scrapping provides employment and raw materials – but with environmental, health and safety costs – scuttling provides fisheries and diving tourism opportunities but needs appropriate management to avoid organic and metal pollution, introduction of invasive species and exacerbation of coastal erosion. It is also limited by appropriate bottom depth, ship type and number. The present review inventories the environmental, health, safety, economic, and forensic aspects of each alternative. © 2016, Springer-Verlag Berlin Heidelberg. |
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Département Langues et Gestion, Université Toulouse III – Paul Sabatier, 118 route de Narbonne, Toulouse cedex 09, 31062, France |
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Springer Verlag |
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09441344 (Issn) |
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EcoFoG @ webmaster @ |
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869 |
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Aubry-Kientz, M.; Rossi, V.; Boreux, J.-J.; Herault, B. |
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A joint individual-based model coupling growth and mortality reveals that tree vigor is a key component of tropical forest dynamics |
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Journal Article |
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2015 |
Publication |
Ecology and Evolution |
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Ecology and Evolution |
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5 |
Issue |
12 |
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2457-2465 |
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Bayesian framework; Estimation method; Individual-based model; Linked models; Mcmc; Paracou; Tropical forest dynamic |
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Tree vigor is often used as a covariate when tree mortality is predicted from tree growth in tropical forest dynamic models, but it is rarely explicitly accounted for in a coherent modeling framework. We quantify tree vigor at the individual tree level, based on the difference between expected and observed growth. The available methods to join nonlinear tree growth and mortality processes are not commonly used by forest ecologists so that we develop an inference methodology based on an MCMC approach, allowing us to sample the parameters of the growth and mortality model according to their posterior distribution using the joint model likelihood. We apply our framework to a set of data on the 20-year dynamics of a forest in Paracou, French Guiana, taking advantage of functional trait-based growth and mortality models already developed independently. Our results showed that growth and mortality are intimately linked and that the vigor estimator is an essential predictor of mortality, highlighting that trees growing more than expected have a far lower probability of dying. Our joint model methodology is sufficiently generic to be used to join two longitudinal and punctual linked processes and thus may be applied to a wide range of growth and mortality models. In the context of global changes, such joint models are urgently needed in tropical forests to analyze, and then predict, the effects of the ongoing changes on the tree dynamics in hyperdiverse tropical forests. © 2015 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. |
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Département des Sciences et Gestion de l'environnement, Université de Liège, Arlon, Belgium |
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Export Date: 3 July 2015 |
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EcoFoG @ webmaster @ |
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608 |
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Dejean, A.; Moreau, C.S.; Uzac, P.; Le Breton, J.; Kenne, M. |
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The predatory behavior of Pheidole megacephala |
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Journal Article |
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2007 |
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Comptes Rendus Biologies |
Abbreviated Journal |
C. R. Biol. |
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Volume |
330 |
Issue |
9 |
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701-709 |
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Invasive ants; Landmarks; Pheidole megacephala; Predatory behavior; Recruitment; pheromone; ant; behavioral ecology; foraging behavior; invasive species; nest predation; pheromone; predator-prey interaction; animal experiment; ant; article; competitor species; controlled study; foraging behavior; host range; Isoptera; nest predation; nonhuman; predation; predator prey interaction; prey selection; species invasion; worker (insect); Animals; Ants; Feeding Behavior; Female; Isoptera; Predatory Behavior; Social Behavior; Formicidae; Hexapoda; Isoptera; Pheidole megacephala |
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We studied the foraging and predatory behaviors of the invasive African myrmicine ant, Pheidole megacephala (F.) in its native range. Workers can singly capture a wide range of insects, including relatively large prey items. For still larger prey, they recruit at short range those nestmates situated within reach of an alarm pheromone and together spread-eagle the insect. These behaviors are complimented by a long-range recruitment (of nestmates remaining in the nest) based on prey size. P. megacephala scouts also use long-range recruitment when they detect the landmarks of termites and competing ant species, thus permitting them to avoid confronting these termites and ants solitarily. |
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Département de biologie des organismes animaux, faculté des sciences, l'université de Douala, BP 24157, Douala, Cameroon |
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Cited By (since 1996): 8; Export Date: 22 October 2011; Source: Scopus; Coden: Crboc; doi: 10.1016/j.crvi.2007.06.005; PubMed ID: 17720587; Language of Original Document: English; Correspondence Address: Dejean, A.; CNRS-Guyane, UPS 2561, UMR-CNRS 5174, 16, avenue André-Aron, 97300 Cayenne, France; email: alain.dejean@wanadoo.fr |
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EcoFoG @ webmaster @ |
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354 |
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