Results 71 to 80 of about 1,342 (216)

Molecular methods in nature conservation [PDF]

open access: yes, 2012
Molekulare Methoden spielen in der Ornithologie eine zunehmend wichtigere Rolle. Während bisher vor allem systematische Fragen und Vaterschaftsanalysen im Fokus standen, steht heute häufig die Anwendung genetischer Methoden im angewandten Naturschutz
Segelbacher, Gernot
core  

Multi-scale effects of nestling diet on breeding performance in a terrestrial top predator inferred from stable isotope analysis [PDF]

open access: yes, 2016
This is the final version of the article. Available from the publisher via the DOI in this record.Inter-individual diet variation within populations is likely to have important ecological and evolutionary implications.
Bearhop, S   +6 more
core   +1 more source

Population dynamics and dietary changes of Eastern Imperial Eagles in Hungary

open access: yesПернатые хищники и их охрана, 2018
The Hungarian population of the Eastern Imperial Eagle (Aquila heliaca) has increased by 50% in five years from 150–160 pairs (2013) to 230–240 pairs (2018).
Márton Horváth   +4 more
doaj  

Представители родов Aquila и Haliaeetus в гнездовой фауне Центрального Черноземья: современное состояние и перспективы существования

open access: yesПернатые хищники и их охрана, 2019
В 1980-е и первую половину 1990-х гг. на территории Центрального Черноземья гнездились большой подорлик (Aquila [Clanga] clanga), орёл-могильник (A. heliaca) и орлан-белохвост (Haliaeetus albicilla).
Alexander V. Sokolov   +2 more
doaj   +1 more source

Evidence for West Nile Virus and Usutu Virus Infections in Wild and Resident Birds in Germany, 2017 and 2018 [PDF]

open access: yes, 2019
Wild birds play an important role as reservoir hosts and vectors for zoonotic arboviruses and foster their spread. Usutu virus (USUV) has been circulating endemically in Germany since 2011, while West Nile virus (WNV) was first diagnosed in several bird ...
Eiden, Martin   +19 more
core   +2 more sources

К изучению орла-могильника на Алтае

open access: yesActa Biologica Sibirica, 2019
Приводятся обобщённые сведения по распространению, численности и экологии орла-могильника Aquila heliaca на Алтае. Под Алтаем понимается территория Алтайского края (168 тыс. км2) и Республики Алтай (92,6 тыс.
V. M. Vazhov, R. F. Bakhtin
doaj   +1 more source

Analysis of Forest Fire Camages in Natura 2000 Sites During the 2007 Fire Season [PDF]

open access: yes, 2009
This report presents the assessment of the damages caused by the forest fires in the EU Mediterranean countries (Cyprus, France, Greece, Italy, Portugal and Spain) during the fire season of 2007, with special emphasis on the impact of these fires in ...
BOCA Roberto   +3 more
core  

Steppe, Felssteppe, Waldsteppe : Lebensräume im Pribaikalsky Nationalpark am Baikal [PDF]

open access: yes, 2011
Seit der Journalist Klaus Bednarz in Film und Buch über den Baikal berichtet hat, ist der größte Süßwassersee der Welt in Ostsibirien für die meisten zum Begriff geworden. Osnabrücker Biologen haben schon viele Jahre dort gearbeitet.
Bergmann, Hans-Heiner, Kooiker, Gerhard
core  

Effects of age and captivity on plasma chemistry values of the Egyptian Vulture [PDF]

open access: yes, 2012
Despite the interest in blood chemistry for studying ecological and pathological characteristics of birds, sources of variability such as age and captivity are poorly understood, and reference values usually are obtained from adult captive birds.
Dobado-Berrios, P.M.   +3 more
core   +1 more source

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