Results 91 to 100 of about 3,467 (186)

Scale-Dependent Habitat Selection of Nesting Great Egrets and Snowy Egrets [PDF]

open access: yes, 2007
Foraging habitat selection of nesting Great Egrets ( Ardea alba ) and Snowy Egrets ( Egretta thula ) was investigated within an estuary with extensive impounded salt marsh habitat.
Collazo, Jaime A.   +2 more
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Danau Meno sebagai Media Pembelajaran untuk Pengamatan Bio Ekologi Burung di Lombok Utara [PDF]

open access: yes, 2013
Telah dilakukan penelitian dalam bentuk longitudinal survei tentang burung yang ada di Danau Meno. Penelitian ini bertujuan untuk melihat dinamika populasi burung untuk digunakan sebagai media pembelajaran bio ekologi burung yang ada di Lombok ...
Hadiprayitno, G. (Gito)
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Effects of ecological control line on habitat connectivity: A case study of Shenzhen, China

open access: yesEcological Indicators
Ecological control line (ECL) has become an important policy for enhancing ecological conservation and achieving sustainable urban development. Landscape connectivity of ecological network provides a method for exploring the effect of ECL policy on ...
Shengyong Zhang   +5 more
doaj   +1 more source

The structure and phylogenesis of olfactory receptor gene OR14J1 in ardeid birds [PDF]

open access: yes, 2016
动物嗅觉受体(OlfactoryReceptor,OR)分布于嗅觉上皮而直接影响着嗅觉功能。哺乳类OR基因家族中位点相连于主要组织相容性复合体(MajorHistocompatibilityComplex,MHC)的基因比例最大,且邻近MHC的最常见OR14J1基因具有与MHC相关联的作用,动物通过嗅觉选择配偶能够有利于提高其免疫力和适应性。鸟类嗅觉以往被认为较弱而没有得到重视,近年来有关鸟类嗅觉基因的研究正在开始起步。 本论文在设计鹭科鸟类OR14J1通用引物的基础上,扩增鹭科鸟类OR14J1片段 ...
刘梦绮
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The process of asynchronous hatching in the Little Egret Egretta garzetta

open access: yesJournal of the Yamashina Institute for Ornithology, 1980
1. In order to clarify the process of asynchronous hatching in the Little Egret Egretta garzetta, observations in a large heronry were made from 13 April to 19 July, 1977 in Mie Prefecture. Of 47 observed nests, 12 were investigated in detail by all-day observations for a total of 48 days.2.
openaire   +2 more sources

Malófagos encontrados sobre pollos de Garza imperial Ardea purpurea y Garceta común Egretta garzetta en la Albufera de Mallorca [PDF]

open access: yes
Mallophaga found on chicks of purple heron Ardea purpurea and little egret Egretta garzetta at S’Albufera de Mallorca. We describe the species of chewing lice found on ten purple heron Ardea purpurea) chicks and seven little egret Egretta garzetta chicks
Martín-Mateo, María Paz   +2 more
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人工苗圃鹭类繁殖集群研究

open access: yes野生动物学报, 2017
2014年4~6月,采用直接观察法对广汉市南丰镇双庙子村村头的一块人工苗圃内繁殖的4种鹭科鸟类(简称鹭类)(牛背鹭Bubulcus ibis,白鹭Egretta garzetta,池鹭Ardeola bacchus,夜鹭Nycticorax nycticorax)的繁殖集群进行了监测,对鹭类鸟巢的分布密度、种群结构以及鹭类鸟巢的垂直分布和鸟巢大小进行了系统研究与分析。据统计,该苗圃有鹭类鸟巢1 580个,其中牛背鹭类巢(653,41.31%)为最多,高巢位的是夜鹭类巢 ...
韦定菊 赵俊松 李 波 姚永芳
doaj  

Recompte hivernal d'aus aquàtiques i limícoles a Balears, gener 1994 i 1995 [PDF]

open access: yes
Winter inventory of water birds and waders in the Balearic Islands, January 1994 and 1995. The results of the winter inventory of water birds and waders in the Balearic Islands for 1994 and 1995 are presented.
Catchot, Santiago, Muñoz, Antoni
core  

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