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الصفحة 72
between these analytically separate levels : species biodiversity across the total environment which has almost certainly decreased over recent history , habitat diversity , a diversity in cropping strategies in agriculture which has ...
between these analytically separate levels : species biodiversity across the total environment which has almost certainly decreased over recent history , habitat diversity , a diversity in cropping strategies in agriculture which has ...
الصفحة 73
The article is set out in three sections— ( 1 ) thoughts on diversity as a descriptive problem , ( 2 ) findings about crop change in Idere from 1968 to 1988 , and ( 3 ) a return to diversity in Yoruba philosophy — and speculates about ...
The article is set out in three sections— ( 1 ) thoughts on diversity as a descriptive problem , ( 2 ) findings about crop change in Idere from 1968 to 1988 , and ( 3 ) a return to diversity in Yoruba philosophy — and speculates about ...
الصفحة 74
grounds , then , one would expect to find different degrees of diversity in the same production system , depending on the scale and type of the unit of analysis . All analytical use of the term therefore needs to be problem- and context ...
grounds , then , one would expect to find different degrees of diversity in the same production system , depending on the scale and type of the unit of analysis . All analytical use of the term therefore needs to be problem- and context ...
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المحتوى
JAMES FAIRHEAD AND MELISSA LEACH | 14 |
Pastoralism biodiversity and the shaping of savanna landscapes | 37 |
Biodiversity on the farm | 52 |
حقوق النشر | |
27 من الأقسام الأخرى غير ظاهرة
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
activities African agricultural ancestors associated authority become beer biodiversity Cambridge cent central century chiefs Christian churches colonial concept context continued crop cultivation cultural direct District diversity early East economic elders especially established example fact farmers farming fire forest forge Ghana groups Himba household human important increase indigenous individual initiation Institute interest International involved Iraqw iron Kenya labour land less living LoDagaa London major means milk nature noted okuruwo original particular parties past patterns period person plant political population position practices present production reason recent reference region relations relatives represent result ritual role rule savanna smiths social society spirit structure suggests symbolic traditional trees University Press vegetation village West women