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Title  |
Advancing biological invasion hypothesis testing using functional diversity indices |
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Journal |
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Year |
2022 |
Publication |
Science of The Total Environment |
Abbreviated Journal |
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Volume |
834 |
Issue |
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Pages |
155102 |
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Keywords |
Alien invasive species Community-weighted trait mean Diversity indices Functional traits Invasibility Invasiveness |
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Abstract |
Pioneering investigations on the effects of introduced populations on community structure, ecosystem functioning and services have focused on the effects of invaders on taxonomic diversity. However, taxonomic-based diversity metrics overlook the heterogeneity of species roles within and among communities. As the homogenizing effects of biological invasions on community and ecosystem processes can be subtle, they may require the use of functional diversity indices to be properly evidenced. Starting from the listing of major functional diversity indices, alongside the presentation of their strengths and limitations, we focus on studies pertaining to the effects of invasive species on native communities and recipient ecosystems using functional diversity indices. By doing so, we reveal that functional diversity of the recipient community may strongly vary at the onset of the invasion process, while it stabilizes at intermediate and high levels of invasion. As functional changes occurring during the lag phase of an invasion have been poorly investigated, we show that it is still unknown whether there are consistent changes in functional diversity metrics that could indicate the end of the lag phase. Thus, we recommend providing information on the invasion stage under consideration when computing functional diversity metrics. For the existing literature, it is also surprising that very few studies explored the functional difference between organisms from the recipient communities and invaders of the same trophic levels, or assessed the effects of non-native organism establishment into a non-analogue versus an analogue community. By providing valuable tools for obtaining in-depth diagnostics of community structure and functioning, functional diversity indices can be applied for timely implementation of restoration plans and improved conservation strategies. To conclude, our work provides a first synthetic guide for their use in hypothesis testing in invasion biology. |
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136 |
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0048-9697 |
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yes |
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8323 |
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Journal Article |
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Year |
2009 |
Publication |
Polar Biology |
Abbreviated Journal |
Polar Biol. |
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Volume |
33 |
Issue |
4 |
Pages |
485 -492 |
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Keywords |
incubation, instrumentation, penguin, |
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Abstract |
The use of data-loggers has permitted to explore the biology of free-ranging animals. However, this method has also been reported to reduce reproductive success while the reasons of this deleterious effect remain poorly documented. In this study, we aimed to identify critical periods of the breeding cycle of Ad,lie penguins (Pygoscelis adeliae) when the reproductive success may decrease because of instrumentation. For this purpose, we monitored 40 pairs, where one parent was instrumented before egg laying and 30 pairs without devices (controls). These pairs were followed at least during the incubation period but the majority was monitored during the entire breeding season. Reproductive success was affected in pairs where males were instrumented. This was not due to extra chick mortality during chick rearing but to a significantly lower hatching success. Moreover, the use of artificial eggs recording incubation temperatures and egg rotation indicated that in instrumented incubating males, eggs spent as much time at optimal incubation temperatures as control eggs but were rotated at a higher frequency. In Ad,lie penguins, males initiate incubation and it has been established that the early stage of incubation is one of the most critical periods for embryonic development. The low hatching rate observed in instrumented males was associated with a higher egg rotation rate, perhaps as a stress response to the presence of the instrument. Even though the causal effects remain unclear, instrumentation severely affected hatching success. For these reasons, we recommend equipping birds after the early incubation.
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137 |
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SPRINGER |
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0722-4060 |
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yes |
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2010 |
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Title |
Adverse foraging conditions may impact body mass and survival of a high Arctic seabird
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Journal Article |
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Year |
2011 |
Publication |
Oecologia |
Abbreviated Journal |
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167 |
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1 |
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49-59 |
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Keywords |
Biomedical and Life Sciences, |
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Abstract |
Tradeoffs between current reproduction and future survival are widely recognized, but may only occur when food is limited: when foraging conditions are favorable, parents may be able to reproduce without compromising their own survival. We investigated these tradeoffs in the little auk ( Alle alle ), a small seabird with a single-egg clutch. During 20052007, we examined the relationship between body mass and survival of birds breeding under contrasting foraging conditions at two Arctic colonies. We used corticosterone levels of breeding adults as a physiological indicator of the foraging conditions they encountered during each reproductive season. We found that when foraging conditions were relatively poor (as reflected in elevated levels of corticosterone), parents ended the reproductive season with low body mass and suffered increased post-breeding mortality. A positive relationship between body mass and post-breeding survival was found in one study year; light birds incurred higher survival costs than heavy birds. The results of this study suggest that reproducing under poor foraging conditions may affect the post-breeding survival of long-lived little auks. They also have important demographic implications because even a small change in adult survival may have a large effect on populations of long-lived species. |
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388 |
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Bachelor's thesis |
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Springer Berlin / Heidelberg |
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0029-8549 |
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yes |
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3509 |
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Author |
MOE B., STEMPNIEWICZ L., ANGELIER F, CHASTEL O, BECH C, GABRIELSEN G. |
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Title |
Adverse Response of Planktivorous and Piscivorous Seabirds for Climate Change in Arctic |
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Conference - International - Article without Reading Comitee |
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2007 |
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28th Meeting of the International Waterbird Society, Barcelona, Spain |
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330 |
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yes |
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5327 |
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Author |
V. A. Viblanc, Q. Schull, F. Stephen Dobson P. Bize & J-P. Robin |
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Conference - International - Communication |
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2015 |
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119 |
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yes |
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6112 |
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Author |
Charles Amory, Hubert Gallee, Florence Naaim, and Alexandre Trouvilliez |
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Title |
Aerodynamical adjustment of the snow surface in coastal Adelie Land, East Antarctica |
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Conference - International - Communication |
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2015 |
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10th Antarctic Meteorological Observation, Modeling, & Forecasting Workshop |
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1013 |
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yes |
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6233 |
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Author |
Innocenti M., S. Bellandi, I. Fattori, A. Mannini, E. Salvietti, R. Udisti. |
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Title |
Aerosol a Dome C: un riferimento per la definizione di aerosol di background troposferico. |
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Conference - National - Article without Reading Comitee |
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2005 |
Publication |
La contaminazione chimica in Antartide |
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108-114 |
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P. Cescon ed., Venezia (Italy), 2005. |
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1181 |
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yes |
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5396 |
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Schwarzenboeck, A.; Duroure, C.; Gayet, J.-F.; Herber, A.; Krecji, R.; Lefevre, R.; Minikin, A.; Neuber, R.; Shcherbakov, V.; Strm, J.; Yamagata, S.; Yamanouchi, T. |
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Title |
Aerosol-Cloud Interaction during the Transition Time Period of Arctic Haze to Clean Summer Conditions |
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Conference - International - Article with Reading Comitee |
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Year |
2004 |
Publication |
Journal of Aerosol Science |
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S727-S728 |
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arctic aerosol; aerosol-cloud interaction; arctic mixed phase clouds; indirect aerosol effect |
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430 |
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Budapest, (H) |
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European Aerosol Conference 2004 |
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35 |
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IPEV @ Thierry.Lemaire @ |
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5522 |
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Morin, S. Preunkert and B. Jourdain |
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Conference - International - Communication |
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2010 |
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414;903 |
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Bachelor's thesis |
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yes |
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1052 |
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Author |
Utaud, Cachier, Nguyen & Dupolessy J.C. |
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Report |
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1995 |
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146 |
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yes |
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1735 |
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