scholarly journals ANALISIS LAHAN KRITIS DAN ARAHAAN PENGGUNAAN LAHAN PADA SUB DAERAH ALIRAN SUNGAI BINANGA LANTANG DI SULAWESI SELATAN

2020 ◽  
Vol 4 (1) ◽  
pp. 37-52
Author(s):  
Anita Ruhama ◽  
Sudirman Numba ◽  
Saida Saida
Keyword(s):  
Land Use ◽  
Water Conservation ◽  
Critical Condition ◽  
Degraded Land ◽  
Rain Season ◽  
Vegetation Class ◽  
The Right ◽  
Overlap Method ◽  
The Impact

Land use does not the rules of soil and water conservation potentially lead to land causes of degradation that will eventually lead to critical land.  The impact ofthe existence of critical landis the decrease of soil fertility, lack of water resoucesin dryseasonandin rain season.  Critical land mapping is necessary to determine the right efforts in the management of upper course of Binanga Lantang Sub Watershed until not distrub ecosystem balanced.This study aims to identify the extent and distribution of critical land and formulate appropriate land use directions to suppress degraded land in Binanga Lantang Sub Watershed.  The method based on Forestry Departement P.4/V-SET/2013 by overlap method, scoring and weighting of each parameter.  The parameters used are map of vegetation class, productivity class map, class map slope, erosion class map and class map management. Reseach results show (1) Classification of critical land after land use direction Binanga Lantang Sub Watershed is very critically broad area 2870,38 ha, critically area 3541,11 ha, rather critically area 4962,34 ha, critical potential 3121,75 ha and not critically area 170,95 ha.  (2) critical land Binanga Lantang Sub Watershed to reach 43,72 percen of the total watershed area.  The entire production forest area is critical, the protected forest arund 50 percent of the area is in critical condition and other uses are only 20 percent of the area is in critical condition.  (3) One of the efforts that can be done to minimize the increase in land criticality is agroforestry and rehabilitation.

scholarly journals Impact of Land Use Change on Water Conservation: A Case Study of Zhangjiakou in Yongding River

2020 ◽  
Vol 13 (1) ◽  
pp. 22
Author(s):  
Tianshi Pan ◽  
Lijun Zuo ◽  
Zengxiang Zhang ◽  
Xiaoli Zhao ◽  
Feifei Sun ◽  
...  
Keyword(s):  
Land Use ◽  
Sustainable Development ◽  
Water Conservation ◽  
Land Use Changes ◽  
Water Yield ◽  
Special Focus ◽  
Hydrological Process ◽  
Significant Difference ◽  
The Impact ◽  
Yongding River

The implementation of ecological projects can largely change regional land use patterns, in turn altering the local hydrological process. Articulating these changes and their effects on ecosystem services, such as water conservation, is critical to understanding the impacts of land use activities and in directing future land planning toward regional sustainable development. Taking Zhangjiakou City of the Yongding River as the study area—a region with implementation of various ecological projects—the impact of land use changes on various hydrological components and water conservation capacity from 2000 to 2015 was simulated based on a soil and water assessment tool model (SWAT). An empirical regression model based on partial least squares was established to explore the contribution of different land use changes on water conservation. With special focus on the forest having the most complex effects on the hydrological process, the impacts of forest type and age on the water conservation capacity are discussed on different scales. Results show that between 2000 and 2015, the area of forest, grassland and cultivated land decreased by 0.05%, 0.98% and 1.64%, respectively, which reduces the regional evapotranspiration (0.48%) and soil water content (0.72%). The increase in settlement area (42.23%) is the main reason for the increase in water yield (14.52%). Most land use covered by vegetation has strong water conservation capacity, and the water conservation capacity of the forest is particularly outstanding. Farmland and settlements tend to have a negative effect on water conservation. The water conservation capacity of forest at all scales decreased significantly with the growth of forest (p < 0.05), while the water conservation capacity of different tree species had no significant difference. For the study area, increasing the forest area will be an effective way to improve the water conservation function, planting evergreen conifers can rapidly improve the regional water conservation capacity, while planting deciduous conifers is of great benefit to long-term sustainable development.

scholarly journals Implementation of C4.5 Algorithm for Critical Land Prediction in Agricultural Cultivation Areas in Pemali Jratun Watershed

2019 ◽  
Vol 2 (2) ◽  
pp. 67
Author(s):  
Deden Istiawan ◽  
Laelatul Khikmah
Keyword(s):  
Complex System ◽  
Land Use ◽  
Policy Making ◽  
Critical Level ◽  
Production Functions ◽  
Accuracy Rate ◽  
Physical Systems ◽  
C4.5 Algorithm ◽  
The Impact

Watershed is a complex system that is built on physical systems, biological systems and human systems that are related to each other. Each component has a distinctive nature and its existence is related to other components so as to form a unified ecosystem. Land use that does not pay attention to the conservation requirements of land and water causes land degradation which ultimately results in critical land. The impact of critical land is not only the withdrawal of soil properties, but also results in a decrease in production functions. Prediction of the critical level of land is needed to reduce the level of damage to the watershed, so that it can be used for policy making by the relevant agencies. In this research C4.5 algorithm will be applied to predictions of critical land in agricultural cultivation areas using critical land parameters. Based on the results of the research on critical land classification of agricultural cultivation areas in the jratun pemali watershed it can be concluded that the C.45 algorithm can be implemented to predict critical land in agricultural cultivation areas with an accuracy rate of 92.47%.

scholarly journals Prediksi Erosi dan Arahan Penggunaan Lahan Daerah Aliran Sungai Yeh Leh Provinsi Bali

2018 ◽  
Vol 12 (1) ◽  
pp. 77
Author(s):  
Ni Made Ayu Ratna Sari ◽  
I Wayan Sandi Adnyana ◽  
I Nyoman Merit
Keyword(s):  
Land Use ◽  
Water Conservation ◽  
Limiting Factors ◽  
Class Iii ◽  
Scoring Method ◽  
Land Capability ◽  
Watershed Area ◽  
Erosion Level ◽  
Soil And Water

Erosion in the watershed generally occurs due to land use that ignores the rules of soil and water conservation. There is much activity carried out by people living on land in the Yeh Leh watershed area, which makes the level of dependence is very enormous.The erosion forecast is using the USLE (Universal Soil Loss Equation) to estimate the erosion swift occurs and to obtain illustration in determining the precise soil and water measures in a region. The determination of land capability classification is using Arsyad’s method (1989) in which to classify the land ability by classifying the land ability class based on the value of land limiting factors, which then adjusted to the criteria of classification of land capability. The land use directional determination is applying the scoring method where combining field slope factor, soil sensitivity to erosion and daily rainfall intensity. The erosion level of the YehLeh watershed area is categorized as mild to very severe. A very light erosion level as large as 515 ha (21.01%), with the land use in the form of irrigated rice field and forest. The severe erosion level as large as 990.02 ha (40.40%) with land use in the form of plantations. The very heavy erosion level as large as 945.82 ha (38.59%) with land use in the form of plantations. The classification of land capability in the YehLeh watershed area consists of 5 classes of land abilities: class II of 115, 22 ha (4.70%), class III of 533.95 ha (21.79%), class IV of 423.61 (17.28%), Class VI of 1,102.03 ha (44.97%), and Class VII of 276.03 ha (11.26%), with some limiting factors for instance, soil texture, erosion and drainage. Proposed land use in the YehLeh watershed area use for forest areas is as protected forest of 456.49 ha (18.63%). Proposed land use outside of the forest area consist of 58.51 ha (2.39%) of seasonal crops, annual cultivation area of 990.02 ha (40.40%) and buffer area of 945.82 (38.59%). Keywords: watershed, erosion, land capability classification, proposed land use.

scholarly journals Colorectal Serrated Neoplasia: An Institutional 12-Year Review Highlights the Impact of a Screening Programme

2019 ◽  
Vol 2019 ◽  
pp. 1-9 ◽  
Author(s):  
A. J. McCarthy ◽  
S. M. O’Reilly ◽  
J. Shanley ◽  
R. Geraghty ◽  
E. J. Ryan ◽  
...  
Keyword(s):  
Screening Programme ◽  
Colorectal Polyps ◽  
Left Colon ◽  
Serrated Adenoma ◽  
Serrated Polyps ◽  
Cancer Screening Programme ◽  
Serrated Lesions ◽  
The Right ◽  
The Impact

Background. As the malignant potential of sessile serrated lesions/polyps (SSL/Ps) and traditional serrated adenomas (TSAs) has been clearly demonstrated, it is important that serrated polyps are identified and correctly classified histologically. Aim. Our aim was to characterize the clinicopathological features of a series of SSL/Ps & TSAs, to assess the accuracy of the pathological diagnosis, the incidence, and the rate of dysplasia in SSL/Ps & TSAs. Methods. We identified all colorectal serrated polyps between 01/01/2004 and 31/05/2016, by searching the laboratory information system for all cases assigned a “serrated adenoma” SNOMED code. All available and suitable slides were reviewed by one pathologist, who was blinded to the original diagnosis and the site of the polyp. Subsequently discordant cases, SSL/Ps with dysplasia, and all TSAs were reviewed by a second pathologist. Results. Over a 149-month period, 759 “serrated adenoma” polyps were identified, with 664 (from 523 patients) available for review. 41.1% were reviewed by both pathologists; 15.1% (100/664) were reclassified, with the majority being changed from SSL/P to hyperplastic polyp (HYP) (66/664; 9.9%). 80.3% of these HYPs were located in the left colon, and the majority exhibited prolapse effect. There were 520 SSL/Ps (92.2%) & 40 TSAs (7.1%). The majority of SSL/Ps were in the right colon (86.7%) and were small (64.5% <1 cm), while most TSAs were in the left colon (85.7%) and were large (73.1%≥1 cm). 6.7% of SSL/Ps exhibited dysplasia, the majority of which were large (66.7%≥1 cm). Following consensus review, 13/520 (2.5%) SSL/Ps were downgraded from SSL/P with dysplasia to SSL/P without dysplasia. Detection of SSL/Ps peaked in the most recent years reviewed (87.5% reported between 2013 and 2016, inclusive), coinciding with the introduction of “BowelScreen” (the Irish FIT-based colorectal cancer screening programme). Conclusions. Awareness of, and adherence to, diagnostic criteria is essential for accurate classification of colorectal polyps.

scholarly journals Nova abordagem para o estudo das viagens geradas nas instituições de ensino

TRANSPORTES ◽  
2010 ◽  
Vol 18 (1) ◽  
Author(s):  
Maria Alice Prudêncio Jacques ◽  
Ângela Bertazzo ◽  
Jorge Galarraga ◽  
Marcelo Herz
Keyword(s):  
Land Use ◽  
Demand Management ◽  
Educational Institutions ◽  
Sustainable Transport ◽  
Travel Pattern ◽  
New Approach ◽  
Management Measures ◽  
The Impact ◽  
Different Levels

<p><strong>Resumo: </strong>A previsão do número de viagens geradas pelos polos geradores de viagens (PGVs) é indispensável para estudos de avaliação do impacto da implantação destes empreendimentos. No caso das instituições de ensino (IE), as características especiais das viagens e de atendimento dos alunos dos diferentes níveis, recomendam a realização dos estudos de avaliação de impacto que possam reconhecer o efeito da adoção de políticas de transporte sustentáveis. Com base na revisão de estudos de geração de viagens para IE descritos na literatura, este trabalho apresenta uma nova abordagem para o estudo das viagens geradas nas IE, que inclui proposta para classificação das viagens geradas pelas IEs e para procedimentos voltados à determinação das taxas e modelos e à realização de estudos de impacto das IEs. A proposta formulada permite que os estudos de impacto considerem cenários alternativos referentes à adoção de medidas de gerenciamento da demanda.</p><p><strong>Abstract:</strong> The estimation of the number of trips that may be generated by a specific land use is essential to study and evaluate the impact of new generators. In the case of Educational Institutions (EI), the special characteristics of travel pattern for students of different levels supports the needs to develop studies that can recognize the effects of adopting sustainable transport policies. Based on specific literature review, this paper presents a new approach to study the trips generated by an EI. It includes a proposal for classification of generated trips to estimate rates and models, and also a procedure to consider the impact derived from the implementation of demand management measures.</p>

scholarly journals Edukasi Pemakaian Plastik sebagai Kemasan Makanan dan Minuman Serta Risikonya terhadap Kesehatan pada Komunitas di Kecamatan Bungus Teluk Kabung, Padang

2017 ◽  
Vol 1 (1) ◽  
pp. 20
Author(s):  
Cimi Ilmiawati ◽  
Mohamad Reza ◽  
Rahmatini Rahmatini ◽  
Erlina Rustam
Keyword(s):  
Food Processing ◽  
Community Education ◽  
Health Impact ◽  
Health Food ◽  
Post Intervention ◽  
Know How ◽  
The Right ◽  
The Impact ◽  
Harmful Effects

ABSTRAK: Paparan terhadap zat tambahan pada plastik (plasticizers) berdampak luas terhadap kesehatan, khususnya pada janin dan anak. Plastik digunakan secara luas sebagai kemasan makanan dan minuman. Mengetahui bagaimana memilih dan menggunakan jenis plastik yang tepat yang akan berkontak dengan makanan penting untuk menghindari risiko paparan bahan kimia berbahaya pada plastik. Program pengabdian ini bertujuan untuk melakukan diseminasi temuan ilmiah terkini mengenai dampak plasticizers terhadap kesehatan melalui program edukasi masyarakat yang ditargetkan pada pemuka masyarakat di Kecamatan Bungus Teluk Kabung, Padang. Edukasi disampaikan dalam bahasa lokal dan diikuti dengan diskusi bebas dengan peserta. Dampak program dinilai menggunakan kuesioner pra- dan pasca-intervensi. Analisis respon pra-intervensi menunjukkan bahwa sebagian besar peserta tidak mengetahui cara menggunakan plastik yang benar sebagai kemasan makanan dan minuman dan tidak mengetahui klasifikasi plastik. Namun, sebagian besar setuju bahwa penggunaan plastik harus dibatasi dalam pemrosesan makanan dan usia anak rentan terhadap bahaya plasticizers. Analisis pasca-intervensi menunjukkan terjadinya perubahan respon peserta. Disimpulkan bahwa program edukasi ini secara efektif memodifikasi sikap dan pengetahuan peserta mengenai risiko penggunaan plastik dalam pemrosesan dan kemasan produk makanan dan minuman.Kata Kunci: edukasi, kesehatan, makanan, minuman, plastik ABSTRACT: Environmental exposure to plasticizers has a wide health impact, particularly to the fetus and children. Plastics are widely used as food wrapping and beverage container. Knowing how to choose and to use the right kind of plastics for contact with foods and drinks is important to safeguard against the health-risks imposed by chemicals in plastics. Our objective was to disseminate scientific findings on the health impact of plasticizers through a community education program targeting key persons in the District of Bungus Teluk Kabung, Padang. Educational material was presented in local language, followed by a free-flow discussion with participants. We assessed the impact of the program by using pre- and post-intervention questionnaire. Analysis of pre-intervention responses showed that most participants did not know how to correctly use plastics as foods and drinks container and had no knowledge on the classification of plastics. However, most agreed that the use of plastics for food processing should be limited and that children are susceptible to the harmful effects of plasticizers. Post-intervention analysis showed a shift in participants’ responses. In conclusion, our program effectively modifies participants’ knowledge on the health risk imposed by using plastics in processing and keeping consumable products.Keywords: education, health, food, drink, plastics

scholarly journals Determination of Shoreline Changes along Upstream of Se San River, Kontum Province based Multi-temporal Remote Sensing Data Analysis

2020 ◽  
Vol 36 (4) ◽  
Author(s):  
Pham Thu Thuy ◽  
Pham Viet Hoa ◽  
Vu Van Tich ◽  
Pham Minh Tam
Keyword(s):  
Land Use ◽  
Erosion Rate ◽  
Remote Sensing Data ◽  
Left Bank ◽  
Shoreline Changes ◽  
Average Value ◽  
Territorial Planning ◽  
Multi Temporal ◽  
The Right ◽  
The Impact

Se San river upstream includes Poko tributary (on the right bank) and Dak Bla tributary (on the left bank), mostly located in Kon Tum province. The process of river sediment decline has dramatic shoreline changes in this area, which becomes a driving-force to modify the current socio-economic development as well as the impact on territorial planning in the future. This study aims to analyze the shoreline changes by extracting multi-temporal satellite imagery of Landsat in the period of 1990-2013 and identify its change effects on land-use. The results show that the strongest erosion rate was -2.96 m/year in Dak Bla tributary (in Kon Tum town). And in the Poko tributary, the average value of erosion rate is -1.31 m/year and the average accretion rate is 1.17 m/year. In the context of dramatic land-use change, this approach allows to support for territorial management and illustrates the accretion-erosion relationship in river basin evolution.

scholarly journals Land Use and Land Cover Changes and Its Impact on Soil Erosion in Stung Sangkae Catchment of Cambodia

2021 ◽  
Vol 13 (16) ◽  
pp. 9276
Author(s):  
Nareth Nut ◽  
Machito Mihara ◽  
Jaehak Jeong ◽  
Bunthan Ngo ◽  
Gilbert Sigua ◽  
...  
Keyword(s):  
Land Use ◽  
Soil Erosion ◽  
Land Cover ◽  
Water Conservation ◽  
Soil Loss ◽  
Hot Spot ◽  
Control Measures ◽  
Economic Activities ◽  
Mekong River Commission ◽  
The Impact

Agricultural expansion and urban development without proper soil erosion control measures have become major environmental problems in Cambodia. Due to a high population growth rate and increased economic activities, land use and land cover (LULC) changes will cause environmental disturbances, particularly soil erosion. This research aimed to estimate total amounts of soil loss using the Revised Universal Soil Loss Equation (RUSLE) model within a Geographic Information System (GIS) environment. LULC maps of Japan International Cooperation Agency (JICA) 2002 and Mekong River Commission (MRC) 2015 were used to evaluate the impact of LULC on soil erosion loss in Stung Sangkae catchment. LULC dynamics for the study periods in Stung Sangkae catchment showed that the catchment experienced a rapid conversion of forests to paddy rice fields and other croplands. The results indicated that the average soil loss from the catchment was 3.1 and 7.6 t/ha/y for the 2002 and 2015 periods, respectively. The estimated total soil loss in the 2002 and 2015 periods was 1.9 million t/y and 4.5 million t/y, respectively. The soil erosion was accelerated by steep slopes combined with the high velocity and erosivity of stormwater runoff. The spatial distribution of soil loss showed that the highest value (14.3 to 62.9 t/ha/y) was recorded in the central, southwestern and upland parts of the catchment. It is recommended that priority should be given to erosion hot spot areas, and appropriate soil and water conservation practices should be adopted to restore degraded lands.

scholarly journals Impact of land-use and land-cover change on soil erosion using the RUSLE model and the geographic information system: a case of Temeji watershed, Western Ethiopia

2021 ◽  
Author(s):  
Mitiku Badasa Moisa ◽  
Daniel Assefa Negash ◽  
Biratu Bobo Merga ◽  
Dessalegn Obsi Gemeda
Keyword(s):  
Land Use ◽  
Information System ◽  
Geographic Information System ◽  
Soil Erosion ◽  
Land Cover ◽  
Water Conservation ◽  
Soil Loss ◽  
Geographic Information ◽  
Lulc Change ◽  
The Impact

Abstract The impact of land-use land-cover (LULC) change on soil resources is getting global attention. Soil erosion is one of the critical environmental problems worldwide with high severity in developing countries. This study integrates the Revised Universal Soil Loss Equation model with a geographic information system to estimate the impacts of LULC conversion on the mean annual soil loss in the Temeji watershed. In this study, LULC change of Temeji watershed was assessed from 2000 to 2020 by using 2000 Landsat ETM+ and 2020 Landsat OLI/TIRS images and classified using supervised maximum likelihood classification algorithms. Results indicate that the majority of the LULC in the study area is vulnerable to soil erosion. High soil loss is observed when grassland and forest land were converted into cultivated land with a mean soil loss of 88.8 and 86.9 t/ha/year in 2020. Results revealed that about 6,608.5 ha (42.8%) and 8,391.8 ha (54.4%) were categorized under severe classes in 2000 and 2020, respectively. Accordingly, the soil loss severity class is directly correlated with the over-exploitation of forest resources and grasslands for agricultural purposes. These results can be useful for advocacy to enhance local people and stakeholder's participation toward soil and water conservation practices.

scholarly journals Moving beyond land use intensity types: assessing biodiversity impacts using fuzzy thinking

2021 ◽  
Author(s):  
Jan Paul Lindner ◽  
Ulrike Eberle ◽  
Eva Knuepffer ◽  
Carla R. V. Coelho
Keyword(s):  
Land Use ◽  
Management Practices ◽  
Nutrient Balance ◽  
Potential Functions ◽  
Land Use Management ◽  
Mathematical Functions ◽  
Forestry Management ◽  
The Impact

Abstract Purpose The impact of land use on biodiversity is a topic that has received considerable attention in life cycle assessment (LCA). The methodology to assess biodiversity in LCA has been improved in the past decades. This paper contributes to this progress by building on the concept of conditions for maintained biodiversity. It describes the theory for the development of mathematical functions representing the impact of land uses and management practices on biodiversity. Methods The method proposed here describes the impact of land use on biodiversity as a decrease in biodiversity potential, capturing the impact of management practices. The method can be applied with weighting between regions, such as ecoregions. The biodiversity potential is calculated through functions that describe not only parameters which are relevant to biodiversity, for example, deadwood in a forest, but also the relationships between those parameters. For example, maximum biodiversity would hypothetically occur when the nutrient balance is ideal and no pesticide is applied. As these relationships may not be readily quantified, we propose the use of fuzzy thinking for biodiversity assessment, using AND/OR operators. The method allows the inclusion of context parameters that represent neither the management nor the land use practice being investigated, but are nevertheless relevant to biodiversity. The parameters and relationships can be defined by either literature or expert interviews. We give recommendations on how to create the biodiversity potential functions by providing the reader with a set of questions that can help build the functions and find the relationship between parameters. Results and discussion We present a simplified case study of paper production in the Scandinavian and Russian Taiga to demonstrate the applicability of the method. We apply the method to two scenarios, one representing an intensive forestry practice, and another representing lower intensity forestry management. The results communicate the differences between the two scenarios quantitatively, but more importantly, are able to provide guidance on improved management. We discuss the advantages of this condition-based approach compared to pre-defined intensity classes. The potential drawbacks of defining potential functions from industry-derived studies are pointed out. This method also provides a less strict approach to a reference situation, consequently allowing the adequate assessment of cases in which the most beneficial biodiversity state is achieved through management practices. Conclusions The originality of using fuzzy thinking is that it enables land use management practices to be accounted for in LCA without requiring sub-categories for different intensities to be explicitly established, thus moving beyond the classification of land use practices. The proposed method is another LCIA step toward closing the gap between land use management practices and biodiversity conservation goals.

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