Results 11 to 20 of about 1,498,239 (152)
Shuitu Baochi Xuebao, 2023 对人类活动量化中考虑区域生态条件的差异,基于季节尺度,利用潜在NPP与实际NPP计算HAII,选取植被类型、高程、坡度等7个自然因子与HAII进行空间分异探测分析,以更细的季节尺度揭示多因子的影响规律。结果表明:在描述青藏高原人类活动对植被NPP的空间分异影响方面,HAII的解释力与显著性均优于人类活动值,其解释力最高为0.714。在多因子影响植被NPP空间分异方面,自然与人为因子均表现出明显季节差异,夏季人类活动解释力最高,春、秋季减弱,冬季则主要受自然因子影响。其中,坡度、温度 ...
王鸿艺 +7 more
doaj
A systematic review of avian influenza virus transmission models: Gaps and opportunities
Methods in Ecology and Evolution, EarlyView.Abstract Highly pathogenic avian influenza virus (HPAIV) increasingly threatens wild birds, poultry, non‐human mammals and humans, yet gaps and opportunities in avian influenza virus (AIV) transmission modelling have not been comprehensively synthesized.
Shenglai Yin +7 more
wiley +1 more source
, 2023 在数字医学中，人类活动识别（HAR）可用于跟踪和评估患者在整个康复过程中的进展，从而提高老年人和残疾人的生活质量。
Ren yanling (16971705)
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, 1996 人类已经能遨游地球外的空间,从加加林的简易飞船,到阿波罗登月计划。俄国的和平号空间站,美国的航天飞机计划,直至正在执行的国际空间站计划,载人空间活动正在成为当代空间活动的热点。国际空间站计划将是今后十年左右空间活动的首要任务,它将为再后的重返月球及载人火星探测等更加宏伟的计划奠定必要的基础。 空间活动的目的是为了利用,载人空间活动也不例外。由于载人空间活动的经费更为昂贵,机会更加稀少。更应该加强其利用的效益 ...
胡文瑞
core +2 more sources
Advancing conservation breeding programs for marine invertebrates
Conservation Biology, EarlyView.Abstract In the face of ecosystem change and biodiversity loss caused by climate change and other stressors, conservation breeding, or captive breeding, with the aim of reintroduction for wild population recovery, is an emerging tool for preventing species’ extinction and rehabilitating ecosystems.
Elora H. López‐Nandam +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
Synthesis of Pollinator‐Friendly Management in European Protected Areas
Conservation Biology, EarlyView.Effectiveness of pollinator‐friendly management in European protected areas. Abstract Pollinators are important to humans and nature due to their role in ecosystem functioning and services. Research on the effects of pollinator management in protected areas is insufficient compared with that on farmlands and urban areas, potentially hindering ...
Gabriella Süle +45 more
wiley +1 more source
Shuitu Baochi Xuebao, 2002 荒漠绿州景观格局是不同类型、不同大小、不同形状和不同开发程度的地块（生态系统）在空间上构成的镶嵌体。景观镶嵌结构的差异反映出不同的功能，通过计算一些景观指数，对荒绿洲景观格局作出定量分析。人类活动强烈的景观要素或纯粹的人工景观中，表征复杂的景观指数往往高于人类活动较轻的景观要素，而表征稳定性的指数正好相反；处在干旱内陆荒漠中的绿洲景观，其抵抗外来干扰的能力低，恢复力弱，人类不合理的活动极易破坏其稳定状态，从而导致荒漠化发生。
王玉朝 赵成义 等
doaj +2 more sources
Shuitu Baochi Xuebao, 2000 考虑渭河水沙变化特性，根据水量平衡原理及产沙机制，应用天然时期的气象、水文资料建立了渭河产流产沙模型；采用水文模拟途径外延了人类活动影响期间的天然径流、泥沙过程，进而分析了渭河变化原因。结果表明：1970－1995年，渭河华县站平均径流、泥沙量较前期分别减少25.9亿m^3和1.11亿t，其中58.3%和55.7％是由人类活动影响所致，人类活动是渭河近年来水沙减少的主要原因。
王国庆 王云璋
doaj +2 more sources
Reevaluating the suitability of amphibians and reptiles for translocation
Conservation Biology, EarlyView.Abstract The scale of amphibian and reptile translocations over the past 16 years necessitates a reassessment of current practices since the last major review in 2009. We conducted a literature review of translocations from 2007 to 2023 and identified 313 case studies encompassing conservation‐, mitigation‐, and research‐related translocations.
M. Winand +5 more
wiley +1 more source