Results 71 to 80 of about 14,721 (222)
Tinjauan Kapasitas Kali Brantas Sebelum dan Sesudah Insiden Lapindo Brantas
Alur kali dan infrastruktur sungai Brantas merupakan reservoir pengendali debit banjir serta regulator bagi pengendali banjir dan supply kebutuhan air. Dengan insiden Lapindo Brantas accident maka fungsi tersebut akan terpengaruh. Tinjauan dan tidakan secara integral dan seksama sangat diperlukan untuk menyelamatkan harkat khalayak.
openaire +2 more sources
Assessing sustainable lethal take for great blue heron in the northeastern United States
We used Prescribed Take Level (PTL) models to estimate sustainable take limits for great blue heron and aid depredation permitting decisions by the USFWS in the northeastern United States. The PTL models suggested that current lethal take levels are sustainable and that cumulative authorized regional take should not exceed 2,650 individuals per year ...
Eric G. LeFlore +5 more
wiley +1 more source
Disruption associated with nest visits during the hatch period of waterfowl can cause partial abandonment of hatchlings, potentially causing bias in the survival of marked birds.
Katherine B. Guerena +3 more
doaj +1 more source
A theoretical model of flock formation to understand trade‐offs between cooperation and competition
Abstract Migratory birds often form flocks during spring migration and compete for territories once they arrive at breeding sites. Understanding the emergence and structure of these flocks has important implications for avian ecology and conservation, as flocking can influence migration success, resource distribution, and population resilience. In this
Chenlan Wang +3 more
wiley +1 more source
Nutrient Peak Shifts in the Arctic: Implications for Migratory Herbivores Under Climate Change
ABSTRACT Aim Quantifying how the timing and spatial variability of Arctic vegetation nutrient peaks are projected to shift under climate change, and assessing potential consequences for migratory herbivores that rely on seasonal synchrony with peak plant quality. Location Circumpolar Arctic, with emphasis on tundra regions.
Nomikos Skyllas +4 more
wiley +1 more source
Drive-by Netting: a Technique for Capturing Grebes and Other Diving Waterfowl
We describe a new method (drive-by netting) for capturing grebes (Podiceps spp.) and other birds that dive under water to escape capture. We used a floating gill net to capture 203 eared grebes (Podiceps nigricollis) in 20 days in 1999 on the Great Salt ...
Joe N. Caudell, Michael R. Conover
doaj +1 more source
Możliwość i użyteczność moralna kodyfikacji norm etyki zawodowej [PDF]
Współcześnie obserwujemy popularyzacjȩ kodeksów zaadresowanych do różnych grup społecznych. Zasadne jest poszukiwanie odpowiedzi na pytania dotycz¸a}ce przesłanek ich konstruowania i możliwości praktycznego ich wykorzystywania.
Klimczuk, Andrzej
core
The Barnacle Goose used to be a transit migrant in Karelia in the last century, and the size of the East-European population was about tens of thousands of birds on a downward trend.
Nikolai Lapshin +2 more
doaj +1 more source
Parasitological examinations of White-tailed Lapwing Vanellus leucurus (Charadriiformes: Charadriidae) collected from Dadu district (Sindh Province, Southern Pakistan) were carried out at the Department of Zoology, University of Sindh, Jamshoro.
Birmani, Nadir +2 more
core +1 more source
在鸟类行为研究方面,借助于彩色标志的方法是很普遍的,并且大多数的研究都倾向于标志对行为没有影响的假设。Frankel 和 Baskett(1963)曾用油漆标志过哀鸽(Zenaidure macroura);Goforth 和Baskett(1965)用塑料条带标志过鸠鸽;Lensink(1968)曾用颈环标志过黑雁(Branta bernical);Royall 等(1974 ...
刘培奇
doaj

