Riparian ecosystems quick assesment methodology in temperate zones

被引:0
|
作者
Castro, HZ
Rojas, AFG
Huerta, YC
Medina, AL
机构
[1] Inst Nacl Invest Forestales & Agropecuarias, Morelia 58030, Michoacan, Mexico
[2] Inst Nacl Invest Forestales & Agropecuarias, INIRENA UMSNH & Proyecto Ecosistemas Riberenos, Morelia 58060, Michoacan, Mexico
[3] US Forest Serv, Rocky Mt Forest & Range Expt Stn, Flagstaff, AZ USA
来源
INGENIERIA HIDRAULICA EN MEXICO | 2002年 / 17卷 / 01期
关键词
riparian ecosystems; quick assessment in watersheds; mountain streams; ecological indicators;
D O I
暂无
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
An integral methodology to assess performance of riparian ecosystems, based on indicators, was designed and tested. Indicators were constructed from structural components of these ecosystems, The case evaluation results of Tiquio creek, a low order tributary in the Cuitzeo Lake watershed in central Mexico is presented as a study. This methodology was applied at 48 sites along the creek. Results indicate that this stream has highly spatial variable ecological conditions. Degraded sites are found both up and downstream, while preserved sites dominate the middle portion, We concluded that the method has high sensitivity to detect spatial variations of ecological conditions on streams, and is useful for diagnosis and control of watersheds and hydrological networks and so be used to design conservation and management policies.
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页码:61 / 74
页数:14
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