نتایج جستجو برای: farmland fragmentation

تعداد نتایج: 38625  

Journal: :Sustainability 2023

Land use and land cover change (LULCC), along with the conversion of natural ecosystem into farmland, poses significant ecological challenges for desert riparian ecosystems. The Tarim River Basin (TRB), home to world’s largest most densely distributed well-preserved ecosystem, remains exceptionally susceptible climate change. However, our understanding role climatic factors (mean annual tempera...

Journal: :Open Geosciences 2021

Abstract Accurate crop planting structure (CPS) information and its relationship with the surrounding special environment can provide strong support for adjustment of agricultural in areas limited cultivated land resources, it will help regional food security, social economy, ecological balance adjustment. However, due to perennial cloudy, rainy, scattered arable Karst mountainous areas, monito...

Journal: :Sustainability 2023

Farmland scale management is an important approach for developing countries to ensure food security in the face of COVID-19 pandemic. At present, realization farmland through path use rights trading encounters obstacles practice; moreover, new model has rarely been systematically discussed. Considering trusteeship practice implemented Shandong Province China as research case, this study discuss...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2014
D J Silva M Santos-Filho G R Canale

Forest fragmentation affects animal population dynamics mainly by loss of habitat and disruption of animal movement. Lizard assemblages are affected by environmental changes, but, depending on their ecological needs, some species might be more vulnerable than others. The southern Amazon suffers accelerated anthropic actions replacing natural environments by farmland (crops and pasture). This re...

2005
John P. Reganold

A survey of all county planning departments in Washington State indicated that protecting agricultural land is a major concern at the county level. Maintenance of the agribusiness sector is the main reason for protecting agricultural land, while the preservation of open space and rural lifestyles was of secondary importance. As a result, most Washington counties have implemented a broad range o...

Journal: :Biology letters 2006
F Mathews L Lovett S Rushton D W Macdonald

The associations between habitat and other factors that lead to the risk of bovine tuberculosis (bTB) in diary cattle were examined in an unmatched case-control study. Data from 60 herds with recent history of bTB and 60 controls were analysed using logistic regression. The predictors included farmland habitat, topography, indices of badger density and herd size. Information-theoretic approache...

Journal: :Sojourn 2004
Shinichi Shigetomi

Farming households with close kinship ties in northeast Thailand have long been practising joint utilization of farmland. They used this multihousehold farming method even more actively to cope with the macroeconomic development beginning in the 1960s. A 1989 survey of a village by the author found more than one-third of farmland under such communal use. However, the share decreased drastically...

2007
Robert J. Johnston Joshua M. Duke

In stated preference valuation of farmland preservation, respondents are often told that preservation will occur within a given jurisdictional scale—e.g., community, state, county—but do not know the specific location of parcels in question. Hence, welfare estimates may be available for different scales and/or states, providing numerous avenues for benefit transfer. This paper provides a system...

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