Woodcock singing-ground counts and habitat changes in the northeastern United States
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Abstract
Aerial photography from the late 1960's and the late 1970's was used to study habitat changes along 78 American woodcock (Scolopax minor) singing-ground routes in 9 northeastern states. The most noticeable changes were declines in the amount of abandoned field, cropland, shrubland, and field/pasture. The amount of land in the urban/industrial type increased 33.4% from the late 1960's to the late 1970's. We examined relationships between the woodcock call-count index and habitat variables using multiple-regression techniques. The abundance of calling male woodcock was positively correlated with the amount of abandoned field and alder (Alnus sp.) and negatively correlated with the amount of urban/industrial type. However, only the change in the urban/industrial type was significantly (P < 0.05) related to the change in the call-count index. Urban/industrial area increased, whereas the call-count index declined on average in our sample of routes by 1.4 birds/route (40.5%).
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Woodcock singing-ground counts and habitat changes in the northeastern United States |
| Series title | Journal of Wildlife Management |
| DOI | 10.2307/3808612 |
| Volume | 47 |
| Issue | 3 |
| Year Published | 1983 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 8 p. |
| First page | 772 |
| Last page | 779 |
| Country | United States |
| State | Connecticut, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Vermont |
| Other Geospatial | northeastern United States |