Results 51 to 60 of about 980,523 (241)

When and why to give shorebirds a head start

open access: yesConservation Biology, EarlyView.
Abstract Headstarting is a translocation technique involving the hatching or rearing of wild eggs or young in captivity and the release of those individuals back to the wild at or before independence. It has been trialed as a conservation intervention for shorebirds over recent decades to improve the population trend of target populations by increasing
Lynda Donaldson   +4 more
wiley   +1 more source

食物丰容对圈养猕猴行为的影响

open access: yes野生动物学报, 2022
为了明晰食物丰容对猕猴(Macaca mulatta)行为的影响,采用瞬时扫描法对南京红山森林动物园86只猕猴进行食物丰容前、后日行为时间节律的研究。结果表明:(1)丰容前猕猴在白天通常以休息(日均43.80%)、摄食(日均34.60%)和攀爬移动行为(日均16.40%)为主;(2)丰容后,摄食行为09:00和15:00极显著低于丰容前 ...
淡瑞芳 1 贾天赐 2 许雪明 1
doaj  

The collective application of shorebird tracking data to conservation

open access: yesConservation Biology, EarlyView.
Abstract Addressing urgent conservation issues, such as the drastic declines of North American migratory birds, requires creative, evidence‐based, efficient, and collaborative approaches. The abundance of over 50% of monitored North American shorebird populations has declined by over 50% since 1980. To address these declines, we developed a partnership
Autumn‐Lynn Harrison   +71 more
wiley   +1 more source

白细胞介素-6与抑郁样行为

open access: yes, 2009
白细胞介素-6(Intedeukin-6,IL-6)是机体介导天然免疫的一类细胞因子,在机体内有多种生物学功能,如参与介导炎症反应,调节免疫等等。近年来,随着对细胞因子的深入研究,IL-6在机体内的作用也受到了重视,特别是IL-6在抑郁样行为中的作用,引起国内外学者的关注。本文就有关IL ...
邝雪莹, 林文娟
core   +1 more source

Comprehensive framework for assessing and optimizing existing research networks

open access: yesConservation Biology, EarlyView.
Abstract Conservation, monitoring, and research networks, or collections of ecological research sites unified under a common mission of data collection or a research mission, are essential infrastructure for understanding large landscapes. However, most networks developed opportunistically over decades rather than through systematic design, creating ...
Alyson East   +2 more
wiley   +1 more source

吗啡和精神兴奋剂的行为敏感化及其神经生物机制

open access: yes, 2006
反复注射精神兴奋剂如可卡因(cocaine,COC)、安非他明(amphetamine,AMPH),会引起部分由药物导致的行为的逐渐增加,这不是由运动中枢直接激发的简单运动,而是由精神或心理因素诱发,对环境刺激进行感知运动整合后产生的,被称为精神运动(psychomotor)1。中枢神经抑制剂如吗啡(mor-phine,MOR)等,也具精神运动的兴奋效应,但其药效的发挥是双阶段的(biphasic):在低剂量时刺激精神运动;而在高剂量,当药物尚未被完全吸收时,也表现出刺激效应,完全吸收后则抑制精神运动2,
郑希耕, 李幼虹
core   +1 more source

磷系水处理药剂配方的评选及应用

open access: yesGongye shui chuli, 1998
根据盐城市石油液化气厂工业用水水质,介绍了采用动态模拟试验方法,筛选出该厂循环水所用药剂的全过程,简述了所选出药剂在工业装置上应用情况。
顾行为, 胥爱东
doaj  

煤矿工人冒险行为与人为事故的关系分析

open access: yes, 1996
研究发现:煤矿工人的冒险行为表现与煤矿人为事故的发生存在极高的相关,而且不同的冒险行为表现与事故发生有不同程度的相关;冒险行为可以分为有意冒险行为和无意冒险行为 ...
徐联仓, 林泽炎
core  

人工饲养环境下长江江豚的行为谱的构建 [PDF]

open access: yes, 2005
对行为的定义和描述是定量开展行为学研究的前提与基础。通过对人工饲养环境下长江江豚行为的观察、记录和分析,定义和描述了长江江豚近40种行为。在此基础上,初步构建了人工饲养环境下长江江豚行为学研究所必需的行为谱,由活跃的水面行为、玩耍、索食、社群行为、性行为、休息、摩擦、杂类八个类别组成 ...
肖建强,王丁
core  

An experimental approach to assess the combined effects of multiple stressors on a large vertebrate species

open access: yesConservation Biology, EarlyView.
Abstract The design of experiments to investigate the combined effects of multiple stressors requires exposing target organisms to multiple combinations of stressor doses. Concurrent manipulation of stressors is often infeasible with wildlife, but long‐lasting health effects allow individual health to be used as an integrator of prior stressor exposure.
Enrico Pirotta   +24 more
wiley   +1 more source

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