Showing 1 - 10 of 14
Many smallholders in the Amazon employ swidden (slash-and-burn) farming systems in which forest or forest fallows are the primary source of natural soil enrichment. With decreasing opportunities to claim natural forests for agriculture and shrinking landholdings, rotational agriculture on...
Persistent link: https://www.econbiz.de/10011001977
; conserve agrobiodiversity; and support urban biodiversity. They may also have negative ecological effects, such as stormwater …
Persistent link: https://www.econbiz.de/10011002239
The potential negative impacts of biological pest control on non-target species have become the focus of a contentious debate. In this article, we use examples from both classical and augmentative biological control of fruit fly pests in Hawaii to address several important factors in assessing...
Persistent link: https://www.econbiz.de/10010849119
We present an extensive literature review exploring the relationships between food insecurity and rapid biodiversity … poses to biodiversity, the goals of providing universal food security and protecting biodiversity seem incompatible … in doing so methodically undermines the capacity of agroecosystems to preserve biodiversity. However, the available …
Persistent link: https://www.econbiz.de/10010849149
This review essay examines several recentbooks about agriculture, including two books on thelinks between cultural and biological diversity intraditional agriculture, two books on the US farmcrisis, and a collected volume examining globalaspects of agricultural restructuring andsustainability....
Persistent link: https://www.econbiz.de/10010849393
Rice crop diversity hasdecreased dramatically in the recent past.Understanding the causes that underlie theevident genetic erosion is critical for thefood security of subsistence rice farmers andbiodiversity. Our study shows that farmers inthe northeastern Philippines had a markedreduction in...
Persistent link: https://www.econbiz.de/10011001933
nature in particular ways and they play a crucial role in maintaining biodiversity. This paper discusses the relationship …
Persistent link: https://www.econbiz.de/10011002050
additionalagricultural vegetation surveys make itpossible to compare biodiversity effects ofdifferent strategies. A description of theamounts …
Persistent link: https://www.econbiz.de/10011002055
Peasants of the northeastern Pará cultivate cassava (manioc esculenta) using shifting cultivation. This paper discusses some factors in support of cassava production, even though it has some negative environmental impacts. These factors are the importance of cassava in the region's history,...
Persistent link: https://www.econbiz.de/10011002197
Agriculture has been recently viewed as the primary destructive force of biodiversity, but the places that produce our … positions. First, it is argued that to value and thereby preserve and restore biodiversity we must begin by employing … anthropocentric ethics. While changing our understanding of intrinsic values (i.e., the unconditional values of biodiversity as a …
Persistent link: https://www.econbiz.de/10011002256