Further evidence of large-scale population decline and range contraction of the little owl Athene noctua in Central Europe

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12310%2F17%3A43895737" target="_blank" >RIV/60076658:12310/17:43895737 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68081766:_____/17:00477275 RIV/60460709:41330/17:74719

Výsledek na webu

<a href="http://www.bioone.org/doi/full/10.25225/fozo.v66.i2.a5.2017" target="_blank" >http://www.bioone.org/doi/full/10.25225/fozo.v66.i2.a5.2017</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Further evidence of large-scale population decline and range contraction of the little owl Athene noctua in Central Europe

Popis výsledku v původním jazyce

Long-term population decline of the little owl has been recorded in Western Europe and available evidence also suggests severe range restriction in many Central European regions. Using two nationwide volunteer-based monitoring programmes during the years 2009-2016, we investigated distribution, population density and breeding associations of the little owl in the Czech Republic and Slovakia. Across the two countries combined, the average population density of the little owl was 0.19 calling males/10 km(2). However, the population density was markedly higher in Slovakia (0.36 calling males/10 km2) than in the Czech Republic (0.09 calling males/10 km(2)). The overall breeding population of the little owl was estimated at 130 breeding pairs in the Czech Republic and 550 in Slovakia. Compared to the situation two decades ago, those estimates represented a 87-94 % decline in the breeding population in the Czech Republic and a 31-45 % reduction in Slovakia. Our data also revealed marked distributional range contraction of the little owl, indicating rapid local extinctions over the last two decades. The analysis of expected breeding places of the little owl confirmed a strong preference for man-made objects over the original breeding sites in tree cavities. In the light of our present results, we propose urgent preparation and implementation of a species action plan with conservation measures to halt the little owl&apos;s steep decline in Central Europe.

Název v anglickém jazyce

Further evidence of large-scale population decline and range contraction of the little owl Athene noctua in Central Europe

Popis výsledku anglicky

Long-term population decline of the little owl has been recorded in Western Europe and available evidence also suggests severe range restriction in many Central European regions. Using two nationwide volunteer-based monitoring programmes during the years 2009-2016, we investigated distribution, population density and breeding associations of the little owl in the Czech Republic and Slovakia. Across the two countries combined, the average population density of the little owl was 0.19 calling males/10 km(2). However, the population density was markedly higher in Slovakia (0.36 calling males/10 km2) than in the Czech Republic (0.09 calling males/10 km(2)). The overall breeding population of the little owl was estimated at 130 breeding pairs in the Czech Republic and 550 in Slovakia. Compared to the situation two decades ago, those estimates represented a 87-94 % decline in the breeding population in the Czech Republic and a 31-45 % reduction in Slovakia. Our data also revealed marked distributional range contraction of the little owl, indicating rapid local extinctions over the last two decades. The analysis of expected breeding places of the little owl confirmed a strong preference for man-made objects over the original breeding sites in tree cavities. In the light of our present results, we propose urgent preparation and implementation of a species action plan with conservation measures to halt the little owl&apos;s steep decline in Central Europe.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

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OECD FORD obor

10613 - Zoology

Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Folia Zoologica

ISSN

0139-7893

e-ISSN

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Svazek periodika

66

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

11

Strana od-do

106-116

Kód UT WoS článku

000411046500004

EID výsledku v databázi Scopus

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