scholarly journals KEBIJAKAN REFORMA AGRARIA TERHADAP LAHAN PERTANIAN DI KABUPATEN TULUNGAGUNG

2020 ◽  
Vol 6 (1) ◽  
pp. 91
Author(s):  
Siti Chadijah ◽  
Dwi Kusumo Wardhani ◽  
Ali Imron

The phenomenon of agricultural land use change one of which occurred in Tulungagung Regency, East Java. Agricultural land in Tulungagung Regency continues to experience shrinking, triggering fears of instability in the area's food security. Thus this research aims to answer and describe how: (1) Implementation of policies on agricultural land in Tulungagung Regency and (2) Factors that influence the implementation of agrarian reform in the Tulungagung Regency. The analysis begins dissecting the laws and regulations relating to Agrarian and Agrarian Reform Policies, among others: UUPA, Perpres No. 86 of 2018 on Agrarian Reform, and is associated with regulations related to the control and use of agricultural land, among others; Law No. 41 of 2009 concerning Protection of Sustainable Agricultural Land. Furthermore, reviewing the regulations at the Tulungagung District Land Office related to the Agrarian Reform on the Control and Use of Agricultural Land and Regional Regulations in force, then photographing how they are applied in the field so as to draw conclusions from the factors that influence the implementation of Agrarian Reform, one of which is a change use of agricultural land to become non-agricultural. The results of the study concluded that a strategic step is needed in the form of food agricultural land protection in Tulungagung Regency by regulating and immediately establishing it as a Sustainable Food Agriculture Area.

AMBIO ◽  
2015 ◽  
Vol 45 (1) ◽  
pp. 63-77 ◽  
Author(s):  
Rabi Narayan Behera ◽  
Debendra Kumar Nayak ◽  
Peter Andersen ◽  
Inger Elisabeth Måren

2014 ◽  
Vol 8 ◽  
pp. 83-92 ◽  
Author(s):  
Md Shafiul Alam

Climate change is an important issue now-a-days. Global warming i.e. climate change causes sea level rise and that affect the coastal agricultural areas of Bangladesh. The net-cropped area of eastern coastal zone in Bangladesh has been decreasing over the years due to various purposes and the most common one is the land inundation and salinity intrusion by tidal water. The main aims of the study is to assess the change in climatic conditions particularly temperature, rainfall and agricultural land use change in the past and future. Past rainfall, temperature and salinity data have been used to assess the climatic and salinity conditions of the area under investigation. Normalized difference vegetation Index (NDVI) and False Color Composite (FCC) of digital Land sat images have been used to identify land use pattern and Boro rice coverage area. During last 31 years (1978 -2009) 31% rice production land has converted to shrimp culture and salt farming. Salinity intrusion is one of the major causes of agricultural land use change. Salinity level has increased dramatically in dry season during last decade due to increase of temperature, low rainfall pattern, high evaporation rate and low water discharge to the river systems. Future landuse has been projected for 2039 by Markov Model. Result shows that rice production area will decrease rapidly due to salinity intrusion as well as climate change which may threat for food security of Bangladesh. Hereafter, the Government of Bangladesh, national and international institutions will have to work together for minimizing the effect of climate change for food security. DOI: http://dx.doi.org/10.3329/jles.v8i0.20151 J. Life Earth Sci., Vol. 8: 83-91, 2013


Author(s):  
Yujuan Gao ◽  
Jianli Jia ◽  
Beidou Xi ◽  
Dongyu Cui ◽  
Wenbing Tan

The heavy metal pollution induced by agricultural land use change has attracted great attention. In this study, the divergent response of bioavailability of heavy metals in rhizosphere soil to different...


Author(s):  
A. V. Prishchepov ◽  
F. Schierhorn ◽  
N. Dronin ◽  
E. V. Ponkina ◽  
D. Müller

2014 ◽  
Vol 61 ◽  
pp. 19-38 ◽  
Author(s):  
Dave Murray-Rust ◽  
Derek T. Robinson ◽  
Eleonore Guillem ◽  
Eleni Karali ◽  
Mark Rounsevell

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e6255 ◽  
Author(s):  
Citlalli Castillo-Guevara ◽  
Mariana Cuautle ◽  
Carlos Lara ◽  
Brenda Juárez-Juárez

Background The discovery-dominance trade-off is the inverse relationship between the ability of a species to discover resources and the species’ dominance of those resources; a paradigm used to explain species coexistence in ant communities dependent on similar resources. However, factors such as stress (e.g., temperature) or disturbance (e.g., removal of biomass) associated with the change in land use, can modify this trade-off. Here, we aimed to determine the potential effects of land use change on dominance hierarchy, food preferences and on the discovery-dominance trade-off. Methods An experiment with baits was used to investigate the dominance hierarchies of ant communities in a temperate mountain habitat in central Mexico. We evaluated the dominance index (DI), food preferences and discovery-dominance trade-offs of ants inhabiting two types of vegetation: a native oak forest and agricultural land resulting from agricultural land use and grazing. Results The ant communities in both environments were comprised of three species of ants (Monomorium minimum, Myrmica mexicana, and Camponotus picipes pilosulus), four morphospecies (Pheidole sp.1 and Pheidole sp.2, Temnothorax sp. and Lasius sp.) and one genus (Formica spp.). All Formicidae showed values of intermediate to low DI, and this factor did not seem to be influenced by the change in land use. Ants in the modified vegetation (i.e., agricultural land) were found to be numerically greater. Overall, a higher number of visits were registered to the tuna bait, although the duration of foraging events to the honey baits was longer. However, foraging times were dependent on the species considered: the generalized Myrmicinae, M. minimum, the ant species with highest DI, foraged for longer periods of time in the agricultural land and on the tuna bait. Meanwhile, the cold-climate specialist Formica spp., with a lower DI, foraged for longer periods of time in the oak (although not significant) and on the honey bait. We found little evidence of the discovery-dominance trade-off; instead, we found considerable diversity in the strategies used by the different species to access resources. This range of strategies is well represented by the generalized Myrmicinae M. minimum, the cold-climate specialists Formica spp. and Temnothorax sp., and the rare species, as the cold climate specialist Lasius sp. (insinuators). Conclusions Our evaluation shows that transformation of the original habitat does not appear to affect the hierarchical dominance of the ant communities, but it does affect their food preferences. Species with higher DI values such as the generalized Myrmicinae are more skilled at resource acquisition in modified habitats. Our results suggest that change in land use promotes an increase in the diversity of foraging strategies used by different ant species. This diversity may contribute to resource partitioning which favors coexistence.


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