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太行山中低山区河谷内农田斑块特征及其分布格局-应用生态学报
2001 8 12 4
C INESE JOURNAL OF APPLIED ECOLOGY,Aug. 2001, 2( 4)535~ 540
*
以河北省阜平县胭脂河主流河谷为例
* *
王 成 武 红 (, 100091)
徐化成 ( , 100083)
郑均宝 周怀军 ( , 071000)
冯长红 ( , 050000)
, ,
., , ,
, , , .
2 2
2297.09hm , 117 , 1027. 78hm ,44. 74%.
, . ,
2
587.58hm , 57. 17%. ,,.
1001- 9332(2001) 04- 0535- 06 Q948114 A
Characteristics and distribution pattern of farmland patch in river valley in middle and low Taihang mountain area-
A case study in Yanzhi river in Fuping county, Hebei Province. WANG Cheng and WU ong ( Research I nstitute of
Forestry, Chinese A cademy of Forestry, Beij ing 100091), XU uacheng ( Resources and Environmental College of
Beij ing Forestry University, Beij ing 100083) . Chin. J . A l . Ecol . ,2001, 2( 4) :535~ 540.
Based on the investigations in the main valley of Yanzhi river in Fuping county of ebei Province,the characteristics
and distribution patterns were analyzed. The results indicated that farmland patches were distributed in the wholeval
ley,except the headstream reach. With the increase of human disturbances, the proportion of farmlands increased a
long the river from upstream to downstream, while in natural landscapes, the environmental heterogeneity and frag
2
mentation of farmlands decreased. The areaof Yanzhi river valley totaled 2297. 09hm , mainly composed by farmland.
2
Therewere 117 farmland patches mainly distributed along theriverbank in the valley, totalling 1027.78hm and occu
pying 4474% of the valley, which were
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