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Insects are disappearing due to agriculture – and many other drivers, new research reveals

A new study analyzing over 175 scientific reviews found that agricultural intensification is a major driver of insect decline, but climate change has multiple individual drivers such as extreme precipitation and temperature. The research highlights the need for a multi-pronged approach to conserve insect biodiversity.

SourceBinghamton University·JournalBioScience·TypeLiterature review·DateApr 22, 2025

Big brains and big ranges might not save birds from climate change

A new study found that some bird species with large geographic ranges and big brains are actually more susceptible to climate change than previously thought. Researchers analyzed data from citizen scientists and found that birds adapted to narrow climate niches, such as the Arctic, are at higher risk from climate change.

SourceUniversity of Texas at Austin·JournalNature Communications·TypeData/statistical analysis·DateApr 22, 2025

Nutrients strengthen link between precipitation and plant growth, study finds

A new study found that nutrient availability plays a crucial role in the relationship between precipitation and plant biomass. In grasslands, plant biomass increases with higher mean annual precipitation, but nutrient availability also comes into play. Fertilizing sites with multiple nutrients boosted plant growth and biomass, revealin...

SourceGerman Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig·JournalProceedings of the National Academy of Sciences·DateApr 17, 2025

Curious isolation: New butterfly species discovered

The discovery of the Curiously Isolated Hairstreak, a new butterfly species, reveals striking genetic diversity and ecological uniqueness. The isolated population has been separated from its closest relatives for up to 40,000 years, resulting in low genetic diversity and reduced adaptability to changing climatic conditions.

SourcePensoft Publishers·JournalZooKeys·DateApr 17, 2025

HKU ecologists lead international effort to understand declining insect biodiversity in the tropics

A team of HKU ecologists led an international initiative to study declining tropical insect populations, highlighting alarmingly limited knowledge and threats from urbanization, habitat loss, and climate change. The review emphasizes the need for more research and conservation interventions to maintain tropical biodiversity.

SourceThe University of Hong Kong·JournalNature Reviews Biodiversity·TypeObservational study·DateApr 8, 2025

Wind energy and marine wildlife in conflict: researchers warn of the overlap between offshore wind farms and areas of high biodiversity

A study reveals widespread overlap between feeding grounds for seabirds, marine mammals, and regions with high wind potential. Researchers propose developing risk maps to predict conflicts and recommend expanding marine protected areas and strengthening spatial planning tools.

SourceUniversidad Miguel Hernandez de Elche·JournalJournal of Environmental Management·TypeData/statistical analysis·DateApr 3, 2025

By 2100, more than 80% of amphibian species in and around the Pantanal will lose suitable habitat

A study predicts that over 80% of amphibian species in the Upper Paraguay River Basin will lose suitable habitats by 2100. The region, which includes the Pantanal and its surroundings, is expected to experience local extinctions under both optimistic and pessimistic greenhouse gas emissions scenarios.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalJournal of Applied Ecology·DateMar 27, 2025

The devastating human impact on biodiversity

A study by Eawag and the University of Zurich found that human impacts on biodiversity are widespread and severe, with average species declines of 20% across all biogeographic regions. The composition of species communities is also shifting, with environmental pollution and habitat changes having a particularly negative impact.

SourceUniversity of Zurich·JournalNature·TypeLiterature review·DateMar 26, 2025

Southeast Asia’s fisheries benefit from small-scale, multispecies capture

Despite decades of overfishing warnings, Southeast Asia's catch fisheries have maintained biodiversity and ecological health, with a three-fold higher ratio of underfished stocks compared to the global average. This study highlights the benefits of non-species-selective multispecies fishing practices in promoting sustainable fisheries.

SourceHokkaido University·JournalFisheries Science·TypeSystematic review·DateMar 20, 2025

The long wait for bees to return to restored grasslands

Research by Kobe University reveals that restoring abandoned grasslands requires at least 75 years of continuous management to regain plant diversity. Pollinators also take time to adapt, with generalist insects like flies and hoverflies dominating recently restored sites.

SourceKobe University·JournalJournal of Applied Ecology·TypeObservational study·DateMar 13, 2025

Common approaches for assessing business impact on biodiversity are powerful, but often insufficient for strategy design

A University of Oxford study found that widely used biodiversity impact assessment tools have significant uncertainties, which can lead to misguided efforts and ineffective strategies if not addressed. The researchers suggest ways to reveal, reduce, and navigate these uncertainties to improve the use of these tools.

SourceUniversity of Oxford·JournalMethods in Ecology and Evolution·DateMar 10, 2025

New hypothesis sheds light on global forest biodiversity maintenance

Researchers propose a new biological hypothesis that combines tree dispersal modes and mycorrhizal types to explain the latitudinal variation in forest biodiversity. Advanced spatial analysis techniques reveal a negative aggregation–abundance relationship, stronger in temperate forests, which is linked to animal seed dispersal and myco...

SourceChinese Academy of Sciences Headquarters·JournalNature·TypeExperimental study·DateFeb 27, 2025

Protected habitats aren’t enough to save endangered species

A recent study published in PLOS Biology found that even within protected habitats, tropical species are still vulnerable to threats from beyond their borders. Human population density and habitat disturbance in surrounding areas can lead to a decline in species richness by up to 1% per 16 persons per square kilometer.

SourcePLOS·JournalPLOS Biology·TypeObservational study·DateFeb 13, 2025