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Institute of ecology and environmental sciences - Paris

IEES Paris : the institute for understanding

iEES Paris gathers about 210 people, including 153 researchers, teachers, technicians, engineers and administrative staff, organized into 14 research teams and 4 scientific departments (5 in 2016). General objectives : Analysing and modelling the structure, functioning and evolution of ecological systems for predictive ecology and environmental sciences. Contributing to innovation in sustainable management of biodiversity, ecosystems and biological resources (...)

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Micro-geographic shift between negligible and actuarial senescence in a wild snake

“Here, we used 37 years of mark-recapture data in two nearby habitats inside a meadow viper Vipera ursinii population to quantify life expectancies, generation times and the shape of actuarial and reproductive senescence.”

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Studying the parasitoid wasp genome to understand how they adapt to host defenses

Researchers studied the genome of wasp species which attack different aphid species, in order to understand which adaptations allow them to get around their hosts’ defenses.

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Persistence of soil organic carbon caused by functional complexity

Key-words : soil, persistence of carbon, molecular diversity, organic carbon Soil organic carbon management has the potential to aid climate change mitigation through drawdown of atmospheric (...)

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Death of our colleague Christian Peeters

We were saddened to learn on this the 1st day of September that our colleague and friend Christian Peeters, CNRS senior scientist at iEES-Paris, had passed away.



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Worker size diversity does not improve colony success in the ant Temnothorax nylanderi

Romain Honorio and his colleagues from Sorbonne Université and EPHE manipulated worker size diversity in colonies of an ant species with moderate size diversity, to measure the impact on colony efficiency (growth, survival, fecundity).

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A Robot to Track and Film Flying Insects

Flying insects have developed effective strategies for navigating in natural environments. However, the experimental study of these strategies remains challenging due to the small size of insects (...)

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Environmental pulse disturbances disproportionately affect large body size species

Smaller organisms are typically more abundant than larger ones, which is a fundamental characteristic of ecological communities. How environmental pulse disturbances affect these « abundance (...)

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Urban Ecosystems: A dialog between Scientists and Paris City Managers

For more than 10 years, the City of Paris and the Institute of Ecology and Environmental Sciences of Paris have been collaborating on various issues of urban ecology. From these multiform (...)

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Obama chez moi! The invasion of metropolitan France by the land planarian Obama nungara(Platyhelminthes, Geoplanidae)

Obama nungara is a species of land flatworm originating from South America; the species was recently described and distinguished from a similar species, Obama marmorata. Obama nungara has invaded (...)

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City and forest ants are surprisingly similar genetically

City life could lead to differential evolution between urban and forest populations. Aurelie Khimoun and her collaborators showed, in their article published in Biology Letters, that urban (...)

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