Results 41 to 50 of about 16,703 (167)

Using lessons from criminal justice research to improve conservation law enforcement research and practice

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Urgency to save species from extinction has prompted increased investment in law enforcement in protected areas. To date, such law enforcement has largely focused on increasing costs and reducing opportunities for offending. However, these resource‐intensive approaches are not always effective and can contribute to conflict between people and ...
Freya A. V. St. John   +3 more
wiley   +1 more source

Land-use Effect and Seasonal Hydrologic Controls on Nitrogen Export in Typical Sub-watersheds within Jiulong River Watershed [PDF]

open access: yes, 2016
在过去的几十年里,世界范围的大部分地区都经历了由于进入近海的河流氮通量的大量增加而导致的富营养化和其它生态损害。氮、磷作为限制性营养盐,控制着河流-近海系统富营养化,威胁着我们所依赖的生态系统服务与功能。河流营养盐状况是植被、土壤、地形、气候、土地利用状况等自然和人为因素综合作用的结果,这些因素在不同时空尺度内交互作用,使得河流营养盐输出的影响机制研究更具挑战性。本研究开展亚热带流域氮输出对土地利用及水文状况季节性变动的响应,可为流域综合管理和区域用水安全提供科技支撑。 本研究通过现场监测、GIS技术 ...
赵盼盼
core  

Underrepresentation of bats in Africa's protected areas

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Biodiversity is severely threatened globally, with habitat loss and other human pressures accelerating species extinctions. Protected areas (PAs) are a critical conservation tool; however, their effectiveness in safeguarding many taxa, such as bats, remains unclear.
Cecilia Montauban   +9 more
wiley   +1 more source

渤海典型生态灾害的发展变化特征及演变趋势 [PDF]

open access: yes, 2017
渤海是中国的内海,受海岸带地区人为活动的影响,海域生态环境退化严重,其主要表现为海洋生态灾害频发。本文对渤海近年典型生态灾害,如赤潮、大型藻类及水母发生的时空分布特征进行了总结,结合水环境变化,对其演变趋势进行了评估 ...
邢前国   +1 more
core  

Genetic origins and climate‐induced erosion in economically important Asian walnuts

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract The global climate is undergoing unprecedented changes, posing significant threats to species persistence. However, the spatiotemporal impacts on genetic diversity remain poorly understood, hindering species conservation and management. Walnuts, generally referred to as Juglans regia and J. sigillata, are economically vital in Asia, but little
Peng‐Zhen Fan   +17 more
wiley   +1 more source

青海省国际野生动物狩猎业

open access: yes野生动物学报, 2000
野生动物狩猎业是古代人类从事的一项活动,亦是现代人类与野生动物资源保护和合理利用活动的一种形式。其根本目的是为了实现保护、利用、发展的良性循环,以促进保护事业的发展。青海的国际狩猎是在经济改革初期发展的一项涉外狩猎活动。十多年来,它不仅为青海合理利用丰富的野生动物资源开辟了一条有效途径,
郑杰
doaj  

近100年喀斯特槽谷区洼地沉积速率与流域产沙强度

open access: yesShuitu Baochi Xuebao, 2020
首次尝试通过沉积物定年反演喀斯特洼地流域单元近100年尺度的侵蚀产沙历史,这有助于认识人类活动对喀斯特石漠化演化过程的影响。以喀斯特槽谷区典型洼地—常家洼洼地为研究对象,应用137Cs、210Pbex定年法分析了近100年的流域产沙强度特征。结果表明:(1)洼地平均沉积速率为1.00 cm/a (1917—1963年)和0.25 cm/a (1963—2017年),流域的平均产沙模数为609 t/(km2·a)(1917—1963年)和152 t/(km2·a)(1963—2017年);(2)1917 ...
裴曾莉   +5 more
doaj  

A modeling study of hypoxia in the bottom layers off the Changjiang Estuary in summer [PDF]

open access: yes, 2016
近几十年来,受人类活动影响,大量有机污染物和营养物质经河流排放到长江口及其近岸海域,造成水体富营养化日益严重,致使长江口外近岸底层水体缺氧现象也呈不断上升趋势。长江口底层水体缺氧的形成是个复杂的过程,是物理过程和生化过程综合作用的结果。物理过程主要控制着溶解氧的水平和垂直输运,生化过程控制着溶解氧的产生和消耗。 近年来已有许多学者研究长江口水体缺氧现象,但目前针对该区域缺氧的研究主要局限于定性的观测分析。为了更好研究长江口水体缺氧的形成机制,本文应用一个三维水动力¬-生态耦合模式 ...
郑静静
core  

Emotional and attitudinal responses to social media depictions of human–wildlife interactions at wildlife tourist attractions

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Wildlife tourist attractions (WTAs) can permit interactions between humans and wildlife that are detrimental to the animals’ welfare and species conservation. Social media portraying human–wildlife interactions could affect people's perceptions of their acceptability and desirability or stimulate demand for detrimental practices.
T. P. Moorhouse, A. Elwin, N. C. D'Cruze
wiley   +1 more source

从猎取到饲养:人类对付猛兽方式之演变

open access: yes野生动物学报, 2008
距今1万年前,中国大地上的真正主人是凶猛的野兽——虎、豹、熊、狼等,它们分布广泛,数量可观。人类在对付野兽方面大致经历了自卫、狩猎、为了交易而猎取这3个阶段。中国民间很早就流传着使用各种动物的肢体、器官,用于人体后具有特别神奇的疗效和功用的说法,导致古人在获取动物活体后对其无以复加的利用。获利、除害这两种动机支持了人类数千年,凶猛的野生兽类动物为之大大减少,对于人类而言,这意味着剪除了威胁,人类成长为大地的主人;对于一个文明社会来说,这终究具有很大的缺憾。1752年在欧洲出现的动物园 ...
侯甬坚, 张洁
doaj  

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