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Can models of presence-absence be used to scale abundance? Two case studies considering extremes in life history
Nielsen, S. E., Johnson, C. J., Heard, D. C. and Boyce, M. S. 2005. Can models of presence/absence be used to scale abundance? Two case studies considering extremes in life history. / Ecography 28: 197/ 208. Understanding patterns of species occurrence...
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Klümper W, Qaim M (2014) A Meta-Analysis of the Impacts of Genetically Modified Crops. PLoS ONE 9(11): e111629.
Despite the rapid adoption of genetically modified (GM) crops by farmers in many countries, controversies about this technology continue. Uncertainty about GM crop impacts is one reason for ... Pequeño Vals Vienés by Silvia Pérez Cruz & Raül Fernandez...
Zero tolerance ecology: improving ecological inference by modelling the source of zero observations
Tara G. Martin et al., Ecology Letters, (2005) 8: 1235–1246 Abstract A common feature of ecological data sets is their tendency to contain many zero values. Statistical inference based on such data are likely to be inefficient or wrong unless careful...
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Découvrez la page Facebook de Bioécologie
Bioécologie. 601 likes · 3 talking about this. Partageons la science avec le plus grand nombre ! Bioécologie : une source d'informations scientifiques en... Sea Horse (Piano) by Moondog on Grooveshark
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Publié depuis Overblog et Twitter
Exposition Mille et une orchidées d'Asie L'Asie héberge, dans ses mangroves, ses forêts de mousson, ses falaises calcaires ou sur les pentes de l'Himalaya, plus de 7 000 espèces d [...] Grandes...
Méthodes pour l’analyse de données de comptage à large échelle géographique : Estimation de l’abondance des rapaces en France
Par Kévin LE REST, mémoire de Master 2, Statistiques appliquées pour les sciences agronomiques et agroalimentaires, 2010 A lire ici
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Publié depuis Overblog et Twitter et Facebook
Imperfect detection during animal surveys biases estimates of abundance and can lead to improper conclusions regarding distribution and population trends. Farnsworth et al. (2005) developed a ...
Program MARK
Program MARK, a Windows Vista or XP program, provides parameter estimates from marked animals when they are re-encountered at a later time. Re-encounters can be from dead recoveries (e.g., the animal is harvested), live recaptures(e.g., the animal is...
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Publié depuis Overblog et Twitter et Facebook
Mixed linear models are an emerging method of choice when conducting association mapping in the presence of sample structure, including geographic population structure, family relatedness and/or ...
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Statistics for Biologists
A collection of articles from the publisher of Nature that discusses statistical issues biologists should be aware of and provides practical advice to improve the statistical rigor of their work.
Destruction of conspecific bioturbation structures by Amphiura filiformis
In situ timelapse SPI showing the burrowing activity of Amphiura filifromis from muddy sand in Inner Galway Bay. This has been described in O'Reilly et al (2006) Mar Ecol Prog Ser Vol. 315: 99--111. Allende by Léo Ferré on Grooveshark
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Shrimp insecticide resistance varies wildly
No one would guess Hyalella azteca's importance just by looking at it. Toxicologists use this unassuming, shrimp-like animal to test water quality. A body of water can be proclaimed healthy or toxic
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Office Franco Québécois pour la Jeunesse (OFQJ)
Vous avez entre 18 et 35 ans et vous rêvez de partir au Québec ou en France ? Vous êtes français ou québécois et vous avez un projet : stage en entreprise, à l'université, emploi, participation à un colloque,... L'OfQJ offrent diverses aides (indemnités...
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Bee researchers raise more warning flags about neonicotinoid pesticides
New research suggests that widely used neonicotinoid-coated agricultural seeds are building up in pollen and groundwater, and contributing directly to the collapse of bee colonies. Not everyone ...
