Review of studies on land use and land cover change in Nepal

Paudel, Basanta; Zhang, Yili; Li, Shicheng; Liu, Linshan; Wu, Xue; Khanal, Narendra Raj

doi:10.1007/s11629-015-3604-9

Cited by 110 publications

(67 citation statements)

References 50 publications

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“…However, our study on Dudh Koshi did not showed the slight reduction in crop farming during 2010 described for the larger Koshi River Basin [12]. Nevertheless, since our study area focuses on the mountain environment, our outcomes seems to confirm the conclusion of another recent study (2016) that "agriculture practices and patterns that were once intensely distributed in lowland areas have spread to higher altitudes" [13].…”

Section: Resultssupporting

confidence: 77%

Analysis of changes in crop farming in the Dudh Koshi (Nepal) driven by climate changes

Gianinetto

Polinelli

Frassy

et al. 2017

Earth Resources and Environmental Remote Sensing/Gis Applications VIII

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Nepal is one of the poorest nations of the world and the Koshi Basin includes some of the poorest regions of this country. It's farming system is subsistence agriculture, mainly rainfed, with crop productivity among the lowest in South Asia. Nepal is also severely impacted by climate changes, such as retreat of glaciers, rise in temperature, erratic rainfalls and increase in frequency of extreme weather. This paper describes the spatio-temporal evolution of cultivated land in Dudh Koshi during the last four decades (1970s-2010s), by mapping the farming of its four main cereals in the districts of Solukhumbu, Okhaldunga and Kothang from space. The analysis of satellite time series showed a 10% of increment in farmland from 1970s to 1990s, and about 60% in the following twenty years. With a shift of cropping to higher altitudes. Data belonging to of the second twenty years are strongly correlated with the population growth observed in the same period (0.97

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Section: Resultssupporting

confidence: 77%

Analysis of changes in crop farming in the Dudh Koshi (Nepal) driven by climate changes

Gianinetto

Polinelli

Frassy

et al. 2017

Earth Resources and Environmental Remote Sensing/Gis Applications VIII

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“…Previous studies of LULC in Nepal as a whole have included the KRB as a major part of their research [31,47] and patterns that were once intensely distributed in lowland areas have spread to higher altitudes [5]. The three datasets show that the rate of cropland change increased between 1978 and 1992, and then decreased slightly by 2010.…”

Section: Changing Trend Of Cropland Statusmentioning

confidence: 96%

“…By 1992 and 2010, a large area of cropland cover existed. This means that agriculture practices and patterns that were once intensely distributed in lowland areas have spread to higher altitudes [5]. The three datasets show that the rate of cropland change increased between 1978 and 1992, and then decreased slightly by 2010.…”

Section: Changing Trend Of Cropland Statusmentioning

confidence: 99%

“…Efforts have been made to quantify the extent of natural [1] and anthropogenic changes [3] in cropland status at both the global and local scale [4]. In Nepal, such studies have been undertaken in relation to the drastic changes in cropland that have occurred in recent decades [5,6]. There is a long history of studies of the global impact of human activity on the environment [7].…”

Section: Introductionmentioning

confidence: 99%

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Changes in Cropland Status and Their Driving Factors in the Koshi River Basin of the Central Himalayas, Nepal

et al. 2016

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Abstract:In recent decades, human activities have significantly transformed land use and land cover (LULC) and the environment of the Central Himalayas region. LULC is a major component of environmental and climatic research. The aim of this study was to determine the changes in cropland status and its drivers in the Koshi River Basin (KRB) of the Central Himalayas region of Nepal between 1978 and 2010. The cropland status in 1978 was obtained from the Land Resources Mapping Project (LRMP) datasets. The cropland status in 1992 and 2010 was determined on the basis of satellite imagery, with an object-oriented classification method, together with field investigations. Advanced geographical tools were used for data processing and binary logistic regression models were used for the statistical analysis of potential driving factors of cropland change. A noticeable overall change in cropland area was found, with rapid increases from 1978 onward at differing rates and to different extents. The cropland area covered 7165 km 2 in 1978. It peaked at 7867.49 km 2 in 1992, and had reduced slightly (by 90 km 2 ) to 7776.66 km 2 by 2010. The change in cropland area was mainly related to four potential driving factors: topography (elevation, slope, and soil types), socioeconomics (population and foreign labor migration), climate (annual mean temperature and precipitation), and neighborhood factors (roads, rivers, and settlements). However, the effects of the different variables have occurred over various stages and at different rates. An understanding of long-term changes in cropland status in the KRB would be useful, and this could be extended to spatial reconstructions with the help of historical data, including cropland and climatic archives.

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“…Anthropogenic activities have been the dominant force shaping land use in recent years [3], although, their impacts vary spatially and temporally [4]. In recent decades, global land use change has been characterized by urban area growth and expanding agricultural land [5].…”

Section: Introductionmentioning

confidence: 99%

A Synthesis of Studies on Land Use and Land Cover Dynamics during 1930–2015 in Bangladesh

et al. 2017

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Land use and land cover (LULC) is dynamic and changes in it have important environmental and socio-economic consequences. The pathways and pace of change vary with space and time and are related to the interaction between human activities and biophysical conditions in an area. This study provides a systematic review of the changing status, patterns, and compositions of LULC in Bangladesh on national, regional, and local scales over the past 85 years. The primary LULC classes in Bangladesh are agricultural land, urban and built-up area, forest and vegetation, water bodies, and wetlands. Most of the country is covered with agricultural land, followed by urban areas; the latter has been expanding rapidly in the area surrounding the capital city, Dhaka, especially the southern capital area. Forest cover is mostly concentrated in southeast Bangladesh, the Chittagong district, and the mangrove forests are predominantly located in the southwest, with the Gangetic delta. High population growth, rapid urbanization, and infrastructure development have been directly associated with changing patterns of land use across the country. In recent decades, urban areas and water bodies have been increasing, to the detriment of both forests and agricultural land. Most of the studies reviewed here describe a general trend involving agricultural and forested land being transformed into urban areas.

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Review of studies on land use and land cover change in Nepal

Abstract: Abstract

Cited by 110 publications

References 50 publications

Analysis of changes in crop farming in the Dudh Koshi (Nepal) driven by climate changes

Analysis of changes in crop farming in the Dudh Koshi (Nepal) driven by climate changes

Changes in Cropland Status and Their Driving Factors in the Koshi River Basin of the Central Himalayas, Nepal

A Synthesis of Studies on Land Use and Land Cover Dynamics during 1930–2015 in Bangladesh

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