Results 71 to 80 of about 2,730,307 (209)
Subspecies taxonomy reflects social and geographic patterns of taxonomic effort in tetrapods
Conservation Biology, EarlyView.Abstract Subspecies have been used in conservation biology to account for intraspecific patterns in genetic diversity, which is crucial to long‐term population viability. Although over 3200 subspecies are currently assessed by the International Union for Conservation of Nature Red List, their biological relevance remains controversial.
Jhonny J. M. Guedes +3 more
wiley +1 more source
Using the capabilities approach to achieve people‐centered conservation
Conservation Biology, EarlyView.Abstract Top‐down interventions carried out by state and nonstate institutions to conserve biodiversity and improve the lives of forest‐proximate people (FPP) in the Global South tend to reflect economistic understandings of human well‐being. More progressive and people‐centered conservation projects are guided by normative visions of how the world ...
Arthur Rodrigues +4 more
wiley +1 more source
Gongye shui chuli, 2018 磁性催化剂不仅催化活性高，还具有独特的磁响应性，在外加磁场作用下可以实现分离与回收。磁性催化剂可有效解决传统Fe2+催化剂回收困难、易产生二次污染等问题。综述了近年来的相关研究，重点讨论磁性Fenton催化剂的分类和合成方式，并介绍了其在Fenton和类Fenton体系中的催化性能。分析表明，磁性催化剂来源广泛、可再生、合成操作相对简便易行。未来研究应致力于拓展催化剂的pH适用范围、提高催化剂稳定性、开发新型负载材料。
张依含, 史静, 陈悦, 朱思怡
doaj +2 more sources
Genomics‐informed management of ex situ populations
Conservation Biology, EarlyView.Abstract The European Association of Zoos and Aquariums (EAZA) manages insurance populations for hundreds of species through its EAZA ex situ programs (EEPs). EEPs help safeguard against extinction in the wild and provide source populations for genetic rescue programs.
Cock van Oosterhout +8 more
wiley +1 more source
, 2008 采用Fenton试剂预处理钻井废水,研究了Fenton反应中各影响因子对废水COD去除率、BOD5/COD值的影响并分析其作用机制,确定了最佳条件,即初始pH为4•0,H2O2/Fe2+(摩尔浓度比,c∶c)=20,H2O2/COD(质量浓度比,w∶w)=1,反应时间为2h.在该条件下,废水的COD去除率约为40%,BOD5/COD值从0•002~0•003提高至0•15~0•2,可生化性得到很大提高,为后续生物处理创造了条件.紫外-可见吸收光谱分析表明 ...
莫正平, 彭娟华, 李旭东
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Fushe yanjiu yu fushe gongyi xuebao煤化工废水中含有大量难降解有机物，其中包括酚类剧毒物，对环境造成严重威胁，因此，采用经济合理的处理手段净化煤化工废水，实现资源循环利用一直是研究的热点方向。本研究选取4种煤化工废水中常见有机物苯酚、对甲酚、对苯二酚和喹啉模拟煤化工废水，采用电离辐照技术对废水模拟样品进行处理，并使用过氧化氢（H2O2）进行催化氧化，结合处理前后废水样品化学需氧量（COD）、5 d生物需氧量（BOD5）等理化性质，研究辐照技术对废水样品理论可生化性的影响。结果表明，γ射线辐照通过水的辐解作用产生高活性自由基 ...
李 震 +7 more
doaj +1 more source
Conservation Biology, EarlyView.Abstract The sustainability of area‐based conservation initiatives depends on their value to society. Conservation often focuses inside protected areas, but the impacts of protected areas beyond their boundaries (spillovers) are critical for their social license.
Ilaria Gliottone +5 more
wiley +1 more source
, 2016 生物质作为自然界唯一的含碳可再生能源，用以替代化石燃料，可以降低二氧化碳等温室气体的排放。鉴于生物质原料存在分散性广、能量密度低及不适宜长时间存储等缺点，生物质的利用宜采用“分散制油，集中制气”的手段，提高对原料的收集效率并降低运输成本。即先在较小范围内将生物质热解成为生物质热解油（生物油），再将分散制备的生物油运输至中心工厂。而生物质热解制备的生物油具有酸性高、含水含氧量高、热值低及不稳定等缺点，直接利用较为困难。因此，将生物油与煤制备成为生物油煤浆 ...
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Shuitu Baochi Xuebao, 2017 基于室内模拟培养试验，研究改良剂（生物质炭、过氧化钙）对旱地红壤微生物量碳、氮及可溶性有机碳、氮的影响。试验设置4个处理，即CK、Ca（过氧化钙，1.72 g/kg）、C（生物质炭，21.46 g/kg）、C+Ca。结果表明：各处理土壤微生物量碳、氮以及可溶性有机碳具有相同的变化趋势，即前期（3 d内）都增加较快，在第3天达到最大值，随试验进行有所下降，配施效果优于单施。各处理可溶性有机氮在21 d内缓慢增加；第21天时，C+Ca、Ca、C相比CK分别显著增加了62.1%，55.5%，40.9%；35 ...
芮绍云 +7 more
doaj
Optimizing biodiversity offsetting for habitat succession and colonization dynamics
Conservation Biology, EarlyView.Abstract Biodiversity offsetting aims to compensate for ecological losses from development through conservation and restoration. However, its long‐term outcomes under repeated impact–offset cycles remain uncertain. Using a conceptual forest succession model, we evaluated how offset outcomes are affected by interactions among compensation scale ...
Konstans Wells +4 more
wiley +1 more source