Effective management strategies for sage-grouse and sagebrush: a question of triage?

Effective management strategies for sage-grouse and sagebrush: a question of triage?
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鼠尾草和山艾树的有效管理策略:分类问题?

DOI:
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发表时间:
2005
期刊:
影响因子:
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通讯作者:
R. Tausch
R. Tausch
中科院分区:
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文献类型:
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作者:
M. Wisdom;M. Rowland;R. Tausch

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蒿属(Artemisia spp.)生态系统曾经占据了北美西部超过1.5亿英亩的土地(Barclay和Billings 1988)。生态系统仍然占据超过1亿英亩(Connelly等人,2004年; Wisdom等人,2005年),但由于各种有害的土地使用和不良的生态过程,山艾树群落的丰度和状况正在迅速下降(克尼克等人,2003年)。自欧洲人定居以来,生态系统的面积减少了40%-50%(Connelly et al. 2004),只有不到10%的生态系统保持不变(West 1999)。
The sagebrush (Artemisia spp.) ecosystem once occupied over 150 million acres of western North America (Barbour and Billings 1988). The ecosystem still occupies over 100 million acres (Connelly et al. 2004, Wisdom et al. 2005), but the abundance and condition of sagebrush communities is declining rapidly in response to a variety of detrimental land uses and undesirable ecological processes (Knick et al. 2003). The ecosystem has been reduced in area by 40-50 percent since pre-European settlement (Connelly et al. 2004), and less than 10 percent remains in a condition unaltered by human disturbances (West 1999).