Nest site use by crested ibis: dependence of a multifactor model on spatial scale

Autor:	David C. Schneider, Xinhai Li, Dianmo Li, Zhijun Ma
Rok vydání:	2006
Předmět:	Ibis Extinction Ecology biology Geography Planning and Development Vegetation biology.organism_classification Habitat Spatial ecology Environmental science Landscape ecology Nipponia nippon Temperate rainforest Nature and Landscape Conservation
Zdroj:	Landscape Ecology. 21:1207-1216
ISSN:	1572-9761 0921-2973
DOI:	10.1007/s10980-006-0021-z
Popis:	The crested ibis (Nipponia nippon), a species at the brink of extinction in 1981, remain restricted to a small (25 km radius) area of temperate forests in central China. To improve the chances of successful reintroduction into new areas we developed a multifactor logistic regression model of habitat association at multiple scales. Using habitat variables, i.e. vegetation, human impact, elevation, and wetland, we compared occupied and unoccupied sites at grain sizes ranging from 1 to 6400 ha. The goodness-of-fit of the habitat suitability model depended on grain size, with the best fit (most information) at a grain size of 2 ha. Semivariograms showed the habitat variables at control sites have a gradient pattern, yet the crested ibis had their specific habitat preferences, and only selected a narrow range from the available gradient. Our results indicated that spatial scale needs to be considered in developing habitat models for applications such as conservation planning.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::208733b2c5d52d40134afb291e484eda https://doi.org/10.1007/s10980-006-0021-z Zobrazit plný text záznamu Full text from SpringerLink