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New research reveals dynamic factors shaping biodiversity at small scales

Researchers studying arboreal ants in a Florida forest explore how resource availability and competition shape biodiversity. The study found that both resource availability and competition among species are important for maintaining biodiverse communities, with the relative importance of these processes dependent on scale.

SourceGeorge Washington University·JournalProceedings of the Royal Society B Biological Sciences·DateSep 27, 2023

Climate change may affect 40% of biodiversity in semi-arid portion of Brazil’s Northeast by 2060

The study predicts that climate change will lead to the loss of 99% of plant species in the Caatinga biome by 2060, resulting in a decrease in vegetation diversity and complexity. Biotic homogenization is expected to affect approximately 40% of plant assemblages, simplifying their composition due to the loss of rare species.

Peru’s Operation Mercury stopped most illegal gold mining in one biodiversity hotspot in the Amazon. Then the COVID-19 pandemic hit.

Operation Mercury successfully halted most illegal gold mining activity in La Pampa, Peru, reducing deforestation and water quality issues. However, spillover effects led to increased mining in legal areas, highlighting the need for stronger regulations to mitigate environmental harm.

SourceDartmouth College·JournalConservation Letters·TypeImaging analysis·DateSep 21, 2023

Study provides genomic insights into the past and future of the black rhinoceros

A new study provides a comprehensive genetic dataset of the black rhinoceros, shedding light on its evolutionary history and population structure. The research reveals six major historical populations and four subpopulations, highlighting the impact of tectonic rifts and human activity on the species' genetic diversity.

SourceSMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution)·JournalMolecular Biology and Evolution·TypeObservational study·DateSep 14, 2023

Freshwater connectivity can transport environmental DNA through the landscape

Research finds that water movement between lakes can transport environmental DNA, making eDNA a promising tool for tracking aquatic species and monitoring biodiversity. The study highlights the importance of considering landscape connectivity when designing eDNA surveys to ensure accurate biodiversity assessments.

SourceQueen Mary University of London·JournalProceedings of the Royal Society B Biological Sciences·DateSep 12, 2023

The climate crisis could reshape Italian mountain forests forever

Climate change is altering Italian mountain forests, with trees potentially shifting uphill and species disappearing. The study found that some species, like the European larch and Turkey oak, may thrive in a warmer future, while others, such as the silver fir and European beech, are at risk.

SourceFrontiers·JournalFrontiers in Forests and Global Change·TypeData/statistical analysis·DateSep 8, 2023

Echoes of extinctions: Novel method unearths disruptions in mammal trait-environment relationships

A team of researchers used a novel methodology to investigate the impact of large mammal extinctions on their environments. They found that earlier biodiversity losses did not necessarily hinder mammal community functioning, but later losses were linked to changes in climate and vegetation patterns.

SourceGeorgia Institute of Technology·JournalNature Communications·TypeExperimental study·DateSep 7, 2023

Farms that create habitat key to food security and biodiversity

Research finds that smaller farms with varied crop types and forest patches support many bird species typically found in forests, even as populations decline in forests. Diversified farming can be crucial for preserving biodiversity and its benefits, including ecosystem services such as pest control and pollination.

SourceStanford University·JournalProceedings of the National Academy of Sciences·DateSep 4, 2023

Conservation gardening: Green spaces in Germany could contribute far more to biodiversity conservation

A recent study has developed an app providing lists of native, declining species suitable for gardening, increasing public engagement. The research found that over half of threatened species are commercially available and prefer dry soils, offering a promising approach to reversing biodiversity decline.

SourceUniversität Leipzig·JournalScientific Reports·TypeData/statistical analysis·DateSep 4, 2023

The recovery of European freshwater biodiversity stops, urgent action needed

A comprehensive study reveals a stagnation in European freshwater biodiversity recovery, highlighting the need for intensified mitigation strategies. The analysis of 1,816 time series of freshwater invertebrate communities between 1968 and 2020 shows promising increases until the 2010s, but a significant slowdown since then.

SourceHun-Ren Ökológiai Kutatóközpont·JournalNature·TypeObservational study·DateAug 25, 2023

Biodiversity protects against invasions of non-native tree species

A global study reveals that proximity to human activity and native biodiversity are crucial factors in determining the likelihood and severity of non-native tree invasions. Native species help buffer the intensity of these invasions by filling available niches, making it harder for non-native trees to spread.

SourceETH Zurich·JournalNature·TypeComputational simulation/modeling·DateAug 23, 2023

Pollutants are important to biodiversity’s role in spread of wildlife diseases

Research found that increased biodiversity can either help or hinder disease outbreaks in wildlife, depending on environmental conditions. Environmental pollutants like road salt changed the susceptibility of amphibian species to parasites, with higher biodiversity communities experiencing a dilution effect when exposed to pollutants.

SourceUniversity of Wisconsin-Madison·JournalJournal of Animal Ecology·DateAug 17, 2023

Cost to protect globally important forests falls disproportionately on those living closest

A decade-long study in Tanzania's Eastern Arc Mountains reveals that biodiversity conservation benefits vary widely among groups, with local rural communities bearing substantial costs. International funding could help smallholder farmers boost yields on their existing land to incentivize long-term forest protection.

SourceUniversity of Cambridge·JournalEnvironmental and Resource Economics·DateAug 17, 2023

Harnessing big data reveals birds’ coexisting tactics

Scientists at Michigan State University used big data to study bird coexistence in the Albertine Rift ecosystem. They found that birds partition their habitat use along environmental gradients and adopt different strategies to survive, allowing them to coexist without driving each other to extinction.

SourceMichigan State University·JournalProceedings of the Royal Society B Biological Sciences·DateAug 16, 2023

Hidden moles in hidden holes

Scientists have identified two new mole species in eastern Turkey, belonging to the Talpa genus, which has been living undiscovered for up to 3 million years. The study, using cutting-edge DNA technology, confirms their biological distinctness from other moles in the group.

SourceUniversity of Plymouth·JournalZoological Journal of the Linnean Society·TypeExperimental study·DateAug 11, 2023

Floral resources and ground covers can reduce pesticide use while maintaining fruit quality in apple orchards

Researchers found that introducing flowering components, aromatic ground covers, and extensification in orchard management increased natural enemies' abundance and decreased pest insects. Ground covers had the most positive effects on predators, while promoting floral resources and ecosystem-friendly strategies can reduce pesticide use.

SourceHun-Ren Ökológiai Kutatóközpont·JournalScience of The Total Environment·TypeMeta-analysis·DateAug 10, 2023

Grassland fragmentation and plant invasion support generalist arthropods and might harm the specialist of forest steppes

Research found that grassland fragmentation and plant invasion support generalist arthropod species, but may harm specialist species adapted to forest steppes. Plant invasions, such as milkweed, alter microclimates and vegetation structure, affecting arthropod diversity.

SourceHun-Ren Ökológiai Kutatóközpont·JournalScience of The Total Environment·TypeObservational study·DateAug 10, 2023

AIBS receives NSF Award to convene discussions on building an integrated, open, FAIR data network

The American Institute of Biological Sciences (AIBS) has been awarded a workshop grant to develop a series of discussions on enabling interdisciplinary and collaborative science through the integration of biological and environmental data. The project aims to build an Integrated, Open, Findable, Accessible, Interoperable, and Reusable ...

Secondary school students have difficulty identifying bird species

A study by the University of the Basque Country found that secondary school students have limited knowledge of biosphere reserves, marshes, and bird migration. However, students from rural areas and those who participated in primary school bird-related projects showed better understanding of local biodiversity.

SourceUniversity of the Basque Country·JournalInternational Journal of Environmental Research and Public Health·DateAug 2, 2023

Beyond protected areas: Novel method shows promise for monitoring biodiversity on working lands

Researchers developed a novel method combining satellite imagery and bioacoustic data to monitor bird species on cropfields, finding larger habitat areas and greater variety in texture are associated with more bird species overall. However, grassland birds relying solely on the habitat for their life cycle seem to benefit less.

SourceUniversity of Maryland Baltimore County·JournalEcological Applications·TypeObservational study·DateJul 24, 2023

How to track animal of legend? Look to the poop

A team of researchers used genetic and isotopic analyses to study jaguar scat in the Mountain Pine Ridge Forest Preserve, revealing habitat needs and conservation insights. The study demonstrates a novel approach to surveying wildlife without direct interaction.

SourceUniversity of Cincinnati·JournalEuropean Journal of Wildlife Research·TypeObservational study·DateJul 18, 2023

Remote plant worlds

A research team led by the University of Göttingen investigated the flora of Tenerife and found that island plant-life exhibits a remarkable diversity of forms. However, the plants differ little from mainland plants in functional terms, with slow-growing, woody shrubs dominating the island's flora.

SourceUniversity of Göttingen·JournalNature·DateJul 14, 2023