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Author doi  openurl
  Title Biological invasions in France: Alarming costs and even more alarming knowledge gaps Type Journal
  Year 2021 Publication NeoBiota Abbreviated Journal  
  Volume 67 Issue Pages 191-224  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1314-2488 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 8094  
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Author doi  openurl
  Title Fifty million years of beetle evolution along the Antarctic Polar Front Type Journal
  Year 2021 Publication Proceedings of the National Academy of Sciences Abbreviated Journal  
  Volume 118 Issue 24 Pages  
  Keywords Antarctica herbivory island biogeography paleoclimate species radiation  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0027-8424, 1091-6490 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 8087  
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Author doi  openurl
  Title Global economic costs of aquatic invasive alien species Type Journal
  Year 2021 Publication Science of The Total Environment Abbreviated Journal  
  Volume 775 Issue Pages 145238  
  Keywords Brackish Freshwater Habitat biases InvaCost Marine Monetary impact  
  Abstract Much research effort has been invested in understanding ecological impacts of invasive alien species (IAS) across ecosystems and taxonomic groups, but empirical studies about economic effects lack synthesis. Using a comprehensive global database, we determine patterns and trends in economic costs of aquatic IAS by examining: (i) the distribution of these costs across taxa, geographic regions and cost types; (ii) the temporal dynamics of global costs; and (iii) knowledge gaps, especially compared to terrestrial IAS. Based on the costs recorded from the existing literature, the global cost of aquatic IAS conservatively summed to US$345 billion, with the majority attributed to invertebrates (62%), followed by vertebrates (28%), then plants (6%). The largest costs were reported in North America (48%) and Asia (13%), and were principally a result of resource damages (74%); only 6% of recorded costs were from management. The magnitude and number of reported costs were highest in the United States of America and for semi-aquatic taxa. Many countries and known aquatic alien species had no reported costs, especially in Africa and Asia. Accordingly, a network analysis revealed limited connectivity among countries, indicating disparate cost reporting. Aquatic IAS costs have increased in recent decades by several orders of magnitude, reaching at least US$23 billion in 2020. Costs are likely considerably underrepresented compared to terrestrial IAS; only 5% of reported costs were from aquatic species, despite 26% of known invaders being aquatic. Additionally, only 1% of aquatic invasion costs were from marine species. Costs of aquatic IAS are thus substantial, but likely underreported. Costs have increased over time and are expected to continue rising with future invasions. We urge increased and improved cost reporting by managers, practitioners and researchers to reduce knowledge gaps. Few costs are proactive investments; increased management spending is urgently needed to prevent and limit current and future aquatic IAS damages.  
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  ISSN 0048-9697 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 8089  
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Author Danish A. Ahmed, Emma J. Hudgins, Ross N. Cuthbert, Phillip J. Haubrock, David Renault, Elsa Bonnaud, Christophe Diagne, Franck Courchamp doi  openurl
  Title Modelling the damage costs of invasive alien species Type Journal
  Year 2021 Publication Biological Invasions Abbreviated Journal  
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  Programme (down) 136  
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  Series Volume Series Issue Edition  
  ISSN 1573-1464 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 8090  
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Author Hullé M., Vernon P. isbn  openurl
  Title The terrestrial macro-invertebrates of the sub-Antarctic Îles Kerguelen and Île de la Possession Type Book
  Year 2021 Publication iste (ed.). 240 pp. Abbreviated Journal  
  Volume Issue Pages  
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  Abstract The sub-Antarctic islands are remote and isolated environments with original flora and fauna composed of a few species that are highly adapted to cold oceanic conditions. Their peculiar naturalness makes these ecosystems intrinsically fragile.This book focuses on terrestrial ecosystems and, in particular, on invertebrates – earthworms, mollusks, spiders and insects – that inhabit the French sub-Antarctic islands of the South Indian Ocean. All native and introduced species are presented in the form of individual fact sheets, which include the main identification criteria, geographical distribution and principal ecological traits. Numerous summary tables, distribution maps of introduced species, and a discussion on the originality and vulnerability of this fauna are also included.The Terrestrial Macroinvertebrates of the Sub-Antarctic Iles Kerguelen and Ile de la Possession is based on an expansive literature base, as well as on observations and photographs taken as part of a research program funded by the French Polar Institute Paul-Emile Victor (IPEV). The book also gives an important part to the history of the discoveries of the different species, as well as current conservation issues.  
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  ISSN ISBN 978-1-786-30760-6 Medium  
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  Notes Approved yes  
  Call Number Serial 8110  
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Author doi  openurl
  Title Once upon a time in the far south: Influence of local drivers and functional traits on plant invasion in the harsh sub-Antarctic islands Type Journal
  Year 2021 Publication Journal of Vegetation Science Abbreviated Journal  
  Volume 32 Issue 4 Pages e13057  
  Keywords alien plants anthropogenic propagule pressure cold environments human disturbances plant invasiveness species distribution models topoclimate  
  Abstract Aim Here, we aim to: (a) investigate the local effect of environmental and anthropogenic factors on alien plant invasion in sub-Antarctic islands; and (b) explore whether and how functional traits affect alien species dependence on anthropogenic factors in these environments. Location Possession Island, Crozet archipelago (French sub-Antarctic islands). Methods Single-species distribution models were used to explore the effect of high-resolution topoclimatic and human-related variables on the occurrence of six alien plants colonizing French sub-Antarctic islands. Furthermore, plant responses to human-related variables and the effect of those variables in interaction with plant traits were analysed by means of a multi-species distribution model. This allowed identifying functional features mediating the influence of human activities on the occurrence probability of alien plant species. Results We observed two main invasion patterns: (a) species predicted to occur close to the introduction sites, whose occurrence probability appeared to be strongly affected by anthropogenic factors; and (b) species predicted to occur nearly everywhere on Possession Island, except in areas featuring particularly harsh climatic conditions. Differences in the influence of human-related variables on the occurrence of the alien species were mostly related to their life history, plant height and residence time, with perennial and low-statured species introduced earlier appearing less dependent on human-induced dispersal and disturbance. Conclusions We conclude that both topoclimatic and anthropogenic factors affect plant invasion on sub-Antarctic islands. Specifically, species predicted to occur close to their introduction sites appear much more dependent on human presence and activity, potentially due to the lack of key functional traits allowing them to spread successfully across Possession Island under the harsh sub-Antarctic climate. Yet, particularly severe abiotic conditions are a major constraint which equally limits the occurrence of all alien plants, irrespective of their dependence on anthropogenic factors.  
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  ISSN 1654-1103 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 8298  
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Author doi  openurl
  Title Contrasting Manual and Automated Assessment of Thermal Stress Responses and Larval Body Size in Black Soldier Flies and Houseflies Type Journal
  Year 2021 Publication Insects Abbreviated Journal  
  Volume 12 Issue 5 Pages 380  
  Keywords Hermetia illucens Musca domestica acclimation automated phenotyping heat and cold tolerance  
  Abstract Within ecophysiological and genetic studies on insects, morphological and physiological traits are commonly assessed and phenotypes are typically obtained from manual measurements on numerous individuals. Manual observations are, however, time consuming, can introduce observer bias and are prone to human error. Here, we contrast results obtained from manual assessment of larval size and thermal tolerance traits in black soldier flies (Hermetia illucens) and houseflies (Musca domestica) that have been acclimated under three different temperature regimes with those obtained automatically using an image analysis software (Noldus EthoVision XT). We found that (i) larval size estimates of both species, obtained by manual weighing or by using the software, were highly correlated, (ii) measures of heat and cold tolerance using manual and automated approaches provided qualitatively similar results, and (iii) by using the software we obtained quantifiable information on stress responses and acclimation effects of potentially higher ecological relevance than the endpoint traits that are typically assessed when manual assessments are used. Based on these findings, we argue that automated assessment of insect stress responses and largescale phenotyping of morphological traits such as size will provide new opportunities within many disciplines where accurate and largescale phenotyping of insects is required.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2075-4450 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 8299  
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Author openurl 
  Title Effects of Climate and Atmospheric Nitrogen Deposition on Early to Mid-Term Stage Litter Decomposition Across Biomes Type Journal
  Year 2021 Publication Frontiers in Forests and Global Change Abbreviated Journal  
  Volume 4 Issue Pages  
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  Programme (down) 136  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2624-893X ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 8301  
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Author doi  openurl
  Title Huff and puff and blow down: invasive plants traits response to strong winds at the Southern Oceanic Islands Type Journal
  Year 2021 Publication Oikos Abbreviated Journal  
  Volume 130 Issue 11 Pages 1919-1929  
  Keywords environmental filter functional traits hypervolume Iles Kerguelen intraspecific variability mechanical stress  
  Abstract Invasions constitute a major driver of biodiversity changes. Insular plant communities are particularly vulnerable to invasions and are relevant models for investigating mechanisms supporting the establishment and spread of introduced plants. Terrestrial flora of sub-Antarctic islands must often thrive in highly windy habitats, thus imposing strong mechanical constraints on individuals. Many alien plants at the sub-Antarctic islands are of tropical or temperate origins, where they were exposed to less stringent wind conditions. As wind likely represents a strong environmental filter for the successful establishment and further geographic spread of plants, they should have developed responses to resist and successfully colonize the Iles Kerguelen. We studied responses to wind of three herbaceous species that are invasive at Iles Kerguelen. We sampled plant individuals at different locations, under windy and sheltered conditions. Traits related to wind avoidance and tolerance and to resource acquisition were measured. We additionally assessed individual performance (biomass) to determine the consequences of trait variations. We focused on trait mean and variance, in particular, through the calculation of hypervolumes. This study emphasized that wind has important effects on plant economics spectrum, including traits involved in mechanical avoidance and light acquisition, with varying strategies, which seem to depend on the biological type of the species (grass versus non-grass). Wind generally reduces individual performance, and this negative effect is not direct but operates through the modification of plant trait values. Furthermore, analyses performed at the hypervolume scale indicate that not only functional trait mean but also its variability account for plant performance. The existence of contrasting growth strategies to cope with local environmental conditions suggests that invaders will be able to occupy different niches, which may ultimately impact local communities. Our results highlight the importance of considering multi-traits responses to meaningfully capture plant adjustments to stress.  
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  Series Editor Series Title Abbreviated Series Title  
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  ISSN 1600-0706 ISBN Medium  
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  Notes Approved yes  
  Call Number Serial 8372  
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Author doi  openurl
  Title Terrestrial macro-arthropods of the sub-Antarctic islands of Possession (Crozet Archipelago) and Kerguelen: inventory of native and non-native species Type Journal
  Year 2021 Publication Zoosystema Abbreviated Journal  
  Volume 43 Issue 22 Pages 549-561  
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  Abstract The sub-Antarctic islands of the Southern Ocean harbor biogeographically peculiar biotas which are under threat from climate change, biological invasions and their interactions. Understanding both the indigenous and changing non-indigenous components of these islands is essential for the conservation and management of their biotas. Based on several years of systematic sampling, we present an updated list of terrestrial, free-living macro-invertebrates (insects and spiders) present on the islands of Possession (Crozet Archipelago) and Kerguelen. Ninety-four species were recorded in total on both islands. Forty-one are strictly endemic to one of the two islands, 16 are endemic to the South Indian Ocean Province, and only three were recorded on other sub-Antarctic islands. Beetles and more particularly weevils are the most characteristic group of the fauna of these islands: they include 35 species of which 89% are native and 66% are endemic. One third of the species (30 of 94) are non-indigenous species now naturalized. We discuss these results in terms of biogeography, ecological disharmony and impact of biological invasions.  
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  ISSN 1280-9551, 1638-9387 ISBN Medium  
  Area Expedition Conference  
  Notes Approved yes  
  Call Number Serial 8472  
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