Nest sites and conservation of endangered interior least terns Sterna antillarum athalassos on an alkaline flat in the south-central Great Plains (USA)

Winton, Bryan Reno; Leslie, David M.

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Nest sites and conservation of endangered interior least terns Sterna antillarum athalassos on an alkaline flat in the south-central Great Plains (USA)

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Title: Nest sites and conservation of endangered interior least terns Sterna antillarum athalassos on an alkaline flat in the south-central Great Plains (USA)

Abstract:

We monitored breeding ecology of endangered Interior Least Terns on a 5 095 ha alkaline flat in north-central Oklahoma, USA. After nest loss, Least Terns commonly re-nested and experienced 30% apparent nest success in 1995-1996 (n = 233 nests). Nest success and predation differed by location on the alkaline flat in 1995 and overall, but nest success and flooding did not differ by microhabitat type. Predation was highest at nests £ 5 cm from debris (driftwood/hay) in 1995. No differences in nesting success, flooding, or predation were observed comparing nests inside and outside electrified enclosures. Coyotes and Striped Skunks were confirmed nest predators, and Ring-billed Gulls were suspected nest predators. We identified one location on the alkaline flat of about 1 000 ha with consistently lower nest losses attributable to flooding and predation and the highest hatching success compared with other parts of the alkaline flat; it was typified by open ground and bisected by several creeks. Management activities that minimize flooding and predation in this area could further enhance nest success and theoretically increase overall productivity of this population of Least Terns. However, the efficacy of electrified enclosures and nest-site enhancements, as currently undertaken, is questionable because of considerable annual variation in use by and protection of Least Terns.

Relation:

Acta Ornithologica

Volume:

Issue:

Start page:

135

End page:

141

Detailed Resource Type:

Artykuł

Format:

application/pdf

Resource Identifier:

oai:rcin.org.pl:45704

Source:

MiIZ PAN, patrz sygn. czas. P.257-38-2 ; MiIZ PAN, patrz sygn. czas. P.4568-38-2 ; click here to follow the link

Language:

eng

Rights:

Prawa zastrzeżone - dostęp ograniczony

Terms of use:

Zasób chroniony prawem autorskim. Korzystanie dozwolone wyłącznie na terminalach Muzeum i Instytutu Zoologii PAN w zakresie określonym przez przepisy o dozwolonym użytku.

Digitizing institution:

Muzeum i Instytut Zoologii Polskiej Akademii Nauk

Original in:

Biblioteka Muzeum i Instytutu Zoologii PAN

Projects co-financed by:

Program Operacyjny Innowacyjna Gospodarka, lata 2010-2014, Priorytet 2. Infrastruktura strefy B + R ; Unia Europejska. Europejski Fundusz Rozwoju Regionalnego

Access:

Zamknięty

Subject and keywords:

Rybitwa mała -- Stany Zjednoczone -- Oklahoma (stan) [KABA] ochrona miejsca lęgowe rybitwy ptaki Sterna antillarum athalassos Sternidae Aves 1995-1996

Object collections:

Last modified:

Oct 2, 2020

In our library since:

Jun 10, 2014

Number of object content downloads / hits:

All available object's versions:

https://rcin.org.pl/publication/55604

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Acta Ornithologica
- Acta Ornithologica Musei Zoologici Polonici
- Acta Ornithologica

Edition name	Date
Nest sites and conservation of endangered interior least terns Sterna antillarum athalassos on an alkaline flat in the south-central Great Plains (USA) / Winton, Bryan Reno	Oct 2, 2020