Urban expansion poses a serious threat to biodiversity. Given that the expected area of urban land cover is predicted to increase by 2-3 million km by 2050, urban environments are one of the most widespread human-dominated land-uses affecting biodiversity. Responses to urbanization differ greatly among species. Some species are unable to tolerate urban environments (i.e., urban avoiders), others are able to adapt and use areas with moderate levels of urbanization (i.e., urban adapters), and yet others are able to colonize and even thrive in urban environments (i.e., urban exploiters). Quantifying species-specific responses to urbanization remains an important goal, but our current understanding of urban tolerance is heavily biased toward traditionally well-studied taxa (e.g., mammals and birds). We integrated a continuous measure of urbanization-night-time lights-with over 900,000 species' observations from the Global Biodiversity Information Facility to derive a comprehensive analysis of species-specific (N = 158 species) responses of butterflies to urbanization across Europe. The majority of butterfly species included in our analysis avoided urban areas, regardless of whether species' urban affinities were quantified as a mean score of urban affinity across all occurrences (79%) or as a species' response curve to the whole urbanization gradient (55%). We then used species-specific responses to urbanization to assess which life history strategies promote urban affinity in butterflies. These trait-based analyses found strong evidence that the average number of flight months, likely associated with thermal niche breath, and number of adult food types were positively associated with urban affinity, while hostplant specialism was negatively associated with urban affinity. Overall, our results demonstrate that specialist butterflies, both in terms of thermal and diet preferences, are most at risk from increasing urbanization, and should thus be considered in urban planning and prioritized for conservation.
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http://dx.doi.org/10.1111/gcb.15670 | DOI Listing |
J Hazard Mater
December 2024
State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China.
Fluorinated liquid crystal monomers (FLCMs) are widely employed in liquid crystal display (LCD) panels. As emerging environmental contaminants with persistent, bioaccumulative, and toxic properties, FLCMs were proven to accumulate in liver, raising great concern regarding potential hepatotoxicity. 1-Ethoxy-2,3-difluoro-4-(trans-4-propylcyclohexyl) benzene (EDPrB), as one representative FLCM, was chosen to investigate the hepatotoxicity in adult zebrafish (Danio rerio) at environmentally relevant concentrations (1, 10, and 100 μg/L) with long-term exposure (21 days).
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December 2024
Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China; Key Laboratory of Mountain Surface Process and Ecological Regulation, Chinese Academy of Sciences, Chengdu 610041, China. Electronic address:
Soil acidification poses a significant threat to agricultural productivity and ecological balance. While lime is a common remedy, it can have limitations, including nutrient deficiencies and potential soil compaction. Therefore, exploring alternative and sustainable amendments is crucial.
View Article and Find Full Text PDFJ Hazard Mater
December 2024
Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment, Southwest University, Chongqing 400715, China. Electronic address:
Developing advanced adsorbents for selectively deducing mercury (Hg) in water to one billionth level is of great significance for public health and ecological security, but achieving the balance among efficiency, cost and environmental friendliness of adsorbents still faces enormous challenges. Herein, we present a high thiol content non-conjugated nano polymer network (PVB-SH) through simple microemulsion polymerization for efficient Hg ion (Hg(II)) removal. The PVB-SH is prepared by conventional commercial reagents and does not consume toxic organic solutions.
View Article and Find Full Text PDFWater Res
November 2024
Guangdong Provincial Engineering Research Center for Urban Water Recycling and Environmental Safety, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, Guangdong 518055, PR China; Key Laboratory of Microorganism Application and Risk Control, Ministry of Ecology and Environment, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, Guangdong 518055, PR China; Shenzhen Key Laboratory of Ecological Remediation and Carbon Sequestration, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, Guangdong 518055, PR China; Tsinghua University-Kunming Joint Research Center for Dianchi Plateau Lake, Tsinghua University, Beijing 100084, PR China. Electronic address:
ACS Phys Chem Au
November 2024
Key Laboratory of Cluster Science of Ministry of Education, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China.
Roundabout (RA) is an important indirect mechanism for gas-phase X + CHY → XCH + Y S2 reactions at a high collision energy. It refers to the rotation of the CH-group by half or multiple circles upon the collision of incoming nucleophiles before substitution takes place. The RA mechanism was first discovered in the Cl + CHI S2 reaction to explain the energy transfer observed in crossed molecular beam imaging experiments in 2008.
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