Landuse change is a serious phenomenon which faced by some of the suburban areas. Sleman Regency is one of regencies that is located in suburban area or outskirts of Special Region of Yogyakarta. The imbalanced between the need or the demand and the availability of land in Special Region of Yogyakarta, trigger a city expansion to the surrounding areas, especially in Sleman Regency. The purpose of this research is to study and to examine the impact of landuse change towards to the paddy productivity in Sleman Regency. The landuse analysis was performed by comparing the RBI map of Sleman Regency in 2007 and the RBI map of Sleman Regency in 2017. The result of the research showed us that during 2007-2017 period, the decreasing areas were fields by 0.93%, shrubs by 0.12%, and rice fields by 47.5%. Landuse that experienced increase in area were buildings by 2.89%, plantations by 12.62%, and settlements by 34.26%. The decreasing area of paddy fields did not significantly reduce the productivity of the rice. Rice production from 2007-2017 period is stable and tends to be increase. That is because the area of harvested land from 2007-2017 has also increase due to the agriculture diverification program in Sleman Regency. This research shows us the projection of paddy productivity until 10 years later from 2017.
Land is an abiotic component that plays a role in providing space for human activity. Land utilization and land use will always be related to population development. If the population continues to grow, the need for land will continue to increase which means the population pressure on the land will also increase, while the land has limited properties. Nusa Tenggara Timur province is a province that has a population of about 4.3 million people with a total area of approximately 4.9 million hectares of which 1.7 million hectares are forests. This research is conducted with the aim of knowing and analyzing land-based resource balance of land resources in the province of East Nusa Tenggara so that it can be concluded about the supporting power of land in East Nusa Tenggara province. The balance of land resources in 2007-2012 and 2013-2017 showed that there was a reduction in an agricultural land area of 11,162 Ha, while non-agricultural land increased by 9,962 Ha. Agricultural land is reduced in the form of plantation land, while the increase in the field of rice fields, moor, and fields. The support of East Nusa Tenggara province has decreased by 0.01 annually due to increasing population. Urban areas such as Kupang City have a lower value for land capacity (DDL) than rural areas.
Lake Rawapening, Semarang Regency, Indonesia, has incorporated a holistic plan in its management practices. However, despite successful target achievements, some limitations remain, and a review of its management plan is needed. This paper identifies and analyzes existing lake management strategies as a standard specifically in Lake Rawapening by exploring various literature, both legal frameworks and scholarly articles indexed in the Scopus database and Google Scholar about lake management in many countries. By using Publish or Perish with the keywords “lake management” OR “management of lake”, 1532 and 1990 works from the Scopus database and Google Scholar, respectively, have been reduced 37. The results show that there are two major types of lake management, namely pillar-based and object-based. The holistic review has resulted in nine points of pillar-based management, which consists of conceptual paradigms as the foundation, and 11 points of object-based management to restore or preserve the lake, which is in line with the form of programs and activities. Overall, Lake Rawapening management should be concerned with finance and technology when applying pillar-based management, and it should include more activities within programs on erosion-sedimentation control as well as monitoring of operational performance using information systems to ensure the implementation of activities within programs in applying object-based lake management.
The northern coastal plains of Kendal Regency are deltaic landform whose processes are strongly influenced by fluvial (fluvial dominated deltas). The area of land in the Kendal Delta area continues to experience changes due to regional developments that occur as Kendal Regency is designated as one of the national activity center in terms of strategic and industrial economies. Various developments can trigger various land conversions so that studies are needed to identify changes occurring. The purpose of this study is to identify land cover patterns based on geomorphological aspects and analyzed land cover changes based on landscape structures in Delta Kendal in 1989 and 2021. Changes in the Kendal Delta landscape structure were analyzed using landscape metrics approach. The results showed that the land cover pattern in the Kendal Delta from 1989 to 2021 has a change. Based on the calculation from landscape metrics, land cover in Delta Kendal that has a relatively high patch density tends to have a high level of interference, and vice versa. In general, there is a relationship if there is an increase in the value of PD and ED, there will be a decrease in the value of MNN and IJI.
Lake Rawapening, Semarang Regency, Indonesia, has incorporated a holistic plan in its management practices. However, despite successful target achievements, some limitations remain that a review of its management plan is needed. This paper identifies and analyzes existing lake management strategies as a standard specifically in Lake Rawapening by exploring various literature, both legal frameworks and scholarly articles indexed in Google Scholar and published in Water by MDPI about lake management in many countries. There are two major types of lake management, namely pillar-based and object-based. While the former is the foundation of a conceptual paradigm that does not comprehensively consider the roles of finance and technology in the lake management, the latter indicates the objects to manage so as to create standards or benchmarks for the implementation of various programs. Overall, Lake Rawapening management should include more programs on erosion-sedimentation control and monitoring of operational performance using information systems.
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