thumbnail

Habitat use and movement patterns of Northern Pintails during spring in northern Japan: the importance of agricultural lands

Journal of Field Ornithology

By:
, , , , , , , and
DOI: 10.1111/j.1557-9263.2012.00364.x

Links

Abstract

From 2006 to 2009, we marked 198 Northern Pintails (Anas acuta) with satellite transmitters on their wintering areas in Japan to study their migration routes and habitat use in spring staging areas. We hypothesized that the distribution of pintails during spring staging was influenced by patterns of land use and expected that the most frequently used areas would have more agricultural habitat than lesser-used areas. We obtained 3031 daily locations from 163 migrant pintails marked with satellite transmitters and identified 524 stopover sites. Based on a fixed kernel home range analysis of stopover utilization distribution (UD), core staging areas (areas within the 50% UD) were identified in northern Honshu and western Hokkaido, and were used by 71% of marked pintails. Core staging areas had a greater proportion of rice fields than peripheral (51–95% UD) and rarely used (outside the 95% UD) staging areas. Stopover sites also contained more rice fields and other agricultural land than were available at regional scales, indicating that pintails selected rice and other agricultural habitats at regional and local scales. Pintails remained at spring staging areas an average of 51 d. Prolonged staging in agricultural habitats of northern Japan was likely necessary for pintails to prepare for transoceanic migration to Arctic nesting areas in eastern Russia.

Geospatial Extents

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Habitat use and movement patterns of Northern Pintails during spring in northern Japan: the importance of agricultural lands
Series title:
Journal of Field Ornithology
DOI:
10.1111/j.1557-9263.2012.00364.x
Volume
83
Issue:
2
Year Published:
2012
Language:
English
Publisher:
Wiley
Contributing office(s):
Alaska Science Center
Description:
13 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Field Ornithology
First page:
141
Last page:
153
Country:
Japan