U.S. flag

An official website of the United States government

PubAg

Main content area

Search

2  Search Results

1 - 2 of 2
Number of results to display per page

Search Results

1. Forest expansion in Scotland and its potential effects on black grouse Tetrao tetrix conservation

Author:
White, Patrick J.C.; Warren, Philip; Baines, David
Source:
Forest ecology and management 2013 v.308 pp. 145-152
ISSN:
0378-1127
Subject:
grouse,   etc   ; Tetrao; agricultural land; forest habitats; forestry; forests; heathlands; issues and policy; planting; treeline; Scotland;     Show all 11 Subjects
Abstract:
... Increasing forest cover has been the policy of various countries in recent decades. The Scottish government aims to increase national forest cover from 18% to 25% by 2050. Mid-altitude upland areas above farmland and below the natural tree line will be targeted for planting, which could impact black grouse Tetrao tetrix, a species of conservation concern which is most abundant in this zone. We use ...
DOI:
10.1016/j.foreco.2013.07.038

2. Physiological costs enforce the honesty of lek display in the black grouse (Tetrao tetrix)

Author:
Lebigre, Christophe; Alatalo, Rauno V.; Siitari, Heli
Source:
Oecologia 2013 v.172 no.4 pp. 983-993
ISSN:
0029-8549
Subject:
grouse,   etc   ; Tetrao; blood; body condition; females; genetic correlation; males; parasites; survival rate;     Show all 9 Subjects
Abstract:
... Females may use condition-dependent sexual traits as reliable cues of male “quality” if the costs of the expression of such traits vary with male “quality”, and if there is positive genetic correlation between male traits and condition. However, there are multiple ways of measuring the changes in body condition which reflect physiological costs meaning that the multifaceted nature of the physiolog ...
DOI:
10.1007/s00442-012-2548-9
PubMed:
23266713