Resources最新文献_第4页

Coastal Acid-Sulfate Soils of Kalimantan, Indonesia, for Food Security: Characteristics, Management, and Future Directions 印度尼西亚加里曼丹沿海酸性硫酸盐土壤对粮食安全的影响：特点、管理和未来方向

IF 3.3

Resources Pub Date : 2024-03-06 DOI: 10.3390/resources13030036

Yiyi Sulaeman, Eni Maftuáh, Muhammad Noor, A. Hairani, Siti Nurzakiah, M. Mukhlis, Khairil Anwar, Arifin Fahmi, Muhammad Saleh, Izhar Khairullah, I. A. Rumanti, Muhammad Alwi, Aidi Noor, Rina Dirgahayu Ningsih

{"title":"Coastal Acid-Sulfate Soils of Kalimantan, Indonesia, for Food Security: Characteristics, Management, and Future Directions","authors":"Yiyi Sulaeman, Eni Maftuáh, Muhammad Noor, A. Hairani, Siti Nurzakiah, M. Mukhlis, Khairil Anwar, Arifin Fahmi, Muhammad Saleh, Izhar Khairullah, I. A. Rumanti, Muhammad Alwi, Aidi Noor, Rina Dirgahayu Ningsih","doi":"10.3390/resources13030036","DOIUrl":"https://doi.org/10.3390/resources13030036","url":null,"abstract":"Coastal acid-sulfate soils are crucial for producing crops and thus, for food security. However, over time, these soil resources experience degradation, leading to higher agro-input, lower yields, and environmental hazards that finally threaten food security. The optimal use of this fragile resource is only attained by implementing vigorous integrated water–soil–crop management technologies amid the climate change impact. This study aimed to review the distribution, properties, use, and management of acid-sulfate soils in Kalimantan, Indonesia. Acid-sulfate soils cover about 3.5 Mha of the coastal area in Kalimantan and have high acidity, high-risk iron and aluminum toxicity, and low fertility, requiring precise water management, amelioration and fertilizer application, crop variety selection, and rice cultivation technologies. Lime, biochar, organic fertilizer, compost, ash, and fly ash are ameliorants that raise pH, reduce iron and aluminum toxicity, and improve crop yield. Rice cultivation has developed from traditional to modern but needs re-designing to fit local conditions. Depending on the soil nutrient status, rice cultivation requires 80–200 kg ha−1 of urea, 50–150 kg ha−1 of SP36, 50–150 kg ha−1 of KCl, and 125–400 kg ha−1 of NPK compound fertilizer, but is affected by CH4 and CO2 emissions. Good water management impacts the effective implementation of amelioration and fertilizer application technologies. The remaining challenges and future directions for water management, amelioration, fertilizer application, crop varieties, cultivation techniques, land use optimization, climate change adaptation and mitigation, technology adoption and implementation, and resource conservation are outlined. Acid-sulfate soils remain a resource capital that supports food security regionally and nationally in Indonesia.","PeriodicalId":37723,"journal":{"name":"Resources","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140262422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Review on the Recovery and Separation of Gallium and Indium from Waste 从废弃物中回收和分离镓和铟综述

IF 3.3

Resources Pub Date : 2024-03-01 DOI: 10.3390/resources13030035

Joanna Kluczka

{"title":"A Review on the Recovery and Separation of Gallium and Indium from Waste","authors":"Joanna Kluczka","doi":"10.3390/resources13030035","DOIUrl":"https://doi.org/10.3390/resources13030035","url":null,"abstract":"Gallium and indium are crucial metals in various industries, such as the medical and telecommunication industries. They can find applications as pure metals, alloys and alloy admixtures, oxides, organometallic compounds, and compounds with elements such as nitrogen or arsenic. Recovery of these two metals from waste is an important issue for two main reasons. First, gallium and indium are scattered in the Earth’s crust and their minerals are too rare to serve as a primary source. Second, e-waste contributes to the rapidly growing problem of Earth littering, as its amount increased significantly in recent years. Therefore, it is essential to develop and implement procedures that will enable the recovery of valuable elements from waste and limit the emission of harmful substances into the environment. This paper discusses technological operations and methods that are currently used or may be used to produce pure gallium and indium or their oxides from waste. The first step was described—waste pretreatment, including disassembly and sorting in several stages. Then, mechanical treatment as well as physical, chemical, and physicochemical separations were discussed. The greatest emphasis was placed on the hydrometallurgical methods of gallium and indium recovery, to be more precise on the extraction and various sorption methods following the leaching stage. Methods of obtaining pure metals or metal oxides and their refining processes were also mentioned.","PeriodicalId":37723,"journal":{"name":"Resources","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140085434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Reformulation of Persimmon Value-Added Model: Product Downstream Development Strategy for Farmers in East Java, Indonesia 重新制定柿子增值模式：印度尼西亚东爪哇农民的产品下游发展战略

IF 3.3

Resources Pub Date : 2024-02-22 DOI: 10.3390/resources13030034

A. E. Asmy, A. Rauf, Rahmawaty, Badaruddin, U. Khasanah

{"title":"Reformulation of Persimmon Value-Added Model: Product Downstream Development Strategy for Farmers in East Java, Indonesia","authors":"A. E. Asmy, A. Rauf, Rahmawaty, Badaruddin, U. Khasanah","doi":"10.3390/resources13030034","DOIUrl":"https://doi.org/10.3390/resources13030034","url":null,"abstract":"This research aims to reformulate the value-added model of persimmon fruit as an instrument to increase farmers’ income by developing a product downstream strategy. This research was conducted in Malang and Tulungagung in East Java through observation and interviews. Then, we used SWOT analysis technique (strengths, weaknesses, opportunities, and threats) to identify various factors in reformulating and developing strategies systematically. The results show that farmers must consider product diversification, improved quality and packaging, certification and label, increased nutritional value, marketing and promotion, network and partnership development, training and capacity building, access to capital and financing, research and innovation, and farmer empowerment. Then, in downstream development, it is necessary to carry out strategies in the form of increased production quality, sustainable agricultural practices, processed product development, preparation of partnerships with private parties, effective marketing and promotion, intelligent packaging, product diversification, logistics and distribution optimization, business and financial management, and organic and sustainable certification. This research also identified that persimmon fruit production has great potential, with a large amount land and a high amount of production. In addition, various downstream persimmon products in the form of processed food and beverages can provide significant added value and have the potential to increase farmers’ incomes.","PeriodicalId":37723,"journal":{"name":"Resources","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140441189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Technogenic Reservoirs Resources of Mine Methane When Implementing the Circular Waste Management Concept 实施废物循环管理概念时的矿山甲烷技术储量资源

IF 3.3

Resources Pub Date : 2024-02-17 DOI: 10.3390/resources13020033

V. Brigida, V. I. Golik, Elena V. Voitovich, Vladislav V. Kukartsev, Valeriy E. Gozbenko, V. Konyukhov, Tatiana A. Oparina

引用次数: 0

Biochar: A Key Player in Carbon Credits and Climate Mitigation 生物炭：碳信用和气候减缓的关键角色

IF 3.3

Resources Pub Date : 2024-02-14 DOI: 10.3390/resources13020031

Alaa Salma, Lydia Fryda, Hayet Djelal

{"title":"Biochar: A Key Player in Carbon Credits and Climate Mitigation","authors":"Alaa Salma, Lydia Fryda, Hayet Djelal","doi":"10.3390/resources13020031","DOIUrl":"https://doi.org/10.3390/resources13020031","url":null,"abstract":"The creation of the carbon market came forth as a tool for managing, controlling, and reducing greenhouse gas emissions, combining environmental responsibility with financial incentives. Biochar has gained recognition as one of potential carbon offset solution. The practical and cost-effective establishment of biochar carbon credit standards is crucial for the integration of biochar into carbon trading systems, thus encouraging investments in the biochar industry while promoting sustainable carbon dioxide sequestration practices on a global scale. This communication focuses on the potential of biochar in carbon sequestration. Additionally, it spotlights case studies that highlight how biochar effectively generates carbon credits, as well as discussing the evolving carbon removal marketplace. Furthermore, we address knowledge gaps, areas of concern, and research priorities regarding biochar implementation in carbon credits, with the aim of enhancing our understanding of its role in climate change mitigation. This review positions biochar as a versatile and scalable technology with the potential to contribute significantly to carbon credits, aligning with sustainable development goals. It calls for continued research, transparency, and international cooperation to explore the full potential of biochar in climate change mitigation efforts.","PeriodicalId":37723,"journal":{"name":"Resources","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139837766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluation of Synthetic-Temporal Imagery as an Environmental Covariate for Digital Soil Mapping: A Case Study in Soils under Tropical Pastures 将合成时空图像作为数字土壤制图的环境协变量进行评估：热带牧场土壤案例研究

IF 3.3

Resources Pub Date : 2024-02-14 DOI: 10.3390/resources13020032

F. A. Avalos, M. D. de Menezes, Fausto Weimar Acerbi Júnior, N. Curi, J. C. Avanzi, M. L. Silva

{"title":"Evaluation of Synthetic-Temporal Imagery as an Environmental Covariate for Digital Soil Mapping: A Case Study in Soils under Tropical Pastures","authors":"F. A. Avalos, M. D. de Menezes, Fausto Weimar Acerbi Júnior, N. Curi, J. C. Avanzi, M. L. Silva","doi":"10.3390/resources13020032","DOIUrl":"https://doi.org/10.3390/resources13020032","url":null,"abstract":"Digital soil maps are paramount for supporting environmental process analysis, planning for the conservation of ecosystems, and sustainable agriculture. The availability of dense time series of surface reflectance data provides valuable information for digital soil mapping (DSM). A detailed soil survey, along with a stack of Landsat 8 SR data and a rainfall time series, were analyzed to evaluate the influence of soil on the temporal patterns of vegetation greenness, assessed using the normalized difference vegetation index (NDVI). Based on these relationships, imagery depicting land surface phenology (LSP) metrics and other soil-forming factors proxies were evaluated as environmental covariates for DSM. The random forest algorithm was applied as a predictive model to relate soils and environmental covariates. The study focused on four soils typical of tropical conditions under pasture cover. Soil parent material and topography covariates were found to be similarly important to LSP metrics, especially those LSP images related to the seasonal availability of water to plants, registering significant contributions to the random forest model. Stronger effects of rainfall seasonality on LSP were observed for the Red Latosol (Ferralsol). The results of this study demonstrate that the addition of temporal variability of vegetation greenness can be used to assess soil subsurface processes and assist in DSM.","PeriodicalId":37723,"journal":{"name":"Resources","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139837190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluation of Synthetic-Temporal Imagery as an Environmental Covariate for Digital Soil Mapping: A Case Study in Soils under Tropical Pastures 将合成时空图像作为数字土壤制图的环境协变量进行评估：热带牧场土壤案例研究

IF 3.3

Resources Pub Date : 2024-02-14 DOI: 10.3390/resources13020032

F. A. Avalos, M. D. de Menezes, Fausto Weimar Acerbi Júnior, N. Curi, J. C. Avanzi, M. L. Silva

{"title":"Evaluation of Synthetic-Temporal Imagery as an Environmental Covariate for Digital Soil Mapping: A Case Study in Soils under Tropical Pastures","authors":"F. A. Avalos, M. D. de Menezes, Fausto Weimar Acerbi Júnior, N. Curi, J. C. Avanzi, M. L. Silva","doi":"10.3390/resources13020032","DOIUrl":"https://doi.org/10.3390/resources13020032","url":null,"abstract":"Digital soil maps are paramount for supporting environmental process analysis, planning for the conservation of ecosystems, and sustainable agriculture. The availability of dense time series of surface reflectance data provides valuable information for digital soil mapping (DSM). A detailed soil survey, along with a stack of Landsat 8 SR data and a rainfall time series, were analyzed to evaluate the influence of soil on the temporal patterns of vegetation greenness, assessed using the normalized difference vegetation index (NDVI). Based on these relationships, imagery depicting land surface phenology (LSP) metrics and other soil-forming factors proxies were evaluated as environmental covariates for DSM. The random forest algorithm was applied as a predictive model to relate soils and environmental covariates. The study focused on four soils typical of tropical conditions under pasture cover. Soil parent material and topography covariates were found to be similarly important to LSP metrics, especially those LSP images related to the seasonal availability of water to plants, registering significant contributions to the random forest model. Stronger effects of rainfall seasonality on LSP were observed for the Red Latosol (Ferralsol). The results of this study demonstrate that the addition of temporal variability of vegetation greenness can be used to assess soil subsurface processes and assist in DSM.","PeriodicalId":37723,"journal":{"name":"Resources","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139777589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Biochar: A Key Player in Carbon Credits and Climate Mitigation 生物炭：碳信用和气候减缓的关键角色

IF 3.3

Resources Pub Date : 2024-02-14 DOI: 10.3390/resources13020031

Alaa Salma, Lydia Fryda, Hayet Djelal

{"title":"Biochar: A Key Player in Carbon Credits and Climate Mitigation","authors":"Alaa Salma, Lydia Fryda, Hayet Djelal","doi":"10.3390/resources13020031","DOIUrl":"https://doi.org/10.3390/resources13020031","url":null,"abstract":"The creation of the carbon market came forth as a tool for managing, controlling, and reducing greenhouse gas emissions, combining environmental responsibility with financial incentives. Biochar has gained recognition as one of potential carbon offset solution. The practical and cost-effective establishment of biochar carbon credit standards is crucial for the integration of biochar into carbon trading systems, thus encouraging investments in the biochar industry while promoting sustainable carbon dioxide sequestration practices on a global scale. This communication focuses on the potential of biochar in carbon sequestration. Additionally, it spotlights case studies that highlight how biochar effectively generates carbon credits, as well as discussing the evolving carbon removal marketplace. Furthermore, we address knowledge gaps, areas of concern, and research priorities regarding biochar implementation in carbon credits, with the aim of enhancing our understanding of its role in climate change mitigation. This review positions biochar as a versatile and scalable technology with the potential to contribute significantly to carbon credits, aligning with sustainable development goals. It calls for continued research, transparency, and international cooperation to explore the full potential of biochar in climate change mitigation efforts.","PeriodicalId":37723,"journal":{"name":"Resources","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139778148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Multi-Decadal Nutrient Management and Trends in Two Catchments of Lake Okeechobee 奥基乔比湖两个集水区十年来的营养物质管理和趋势

IF 3.3

Resources Pub Date : 2024-02-13 DOI: 10.3390/resources13020028

Rachael Z. Cooper, S. Ergas, M. Nachabe

{"title":"Multi-Decadal Nutrient Management and Trends in Two Catchments of Lake Okeechobee","authors":"Rachael Z. Cooper, S. Ergas, M. Nachabe","doi":"10.3390/resources13020028","DOIUrl":"https://doi.org/10.3390/resources13020028","url":null,"abstract":" Despite years of efforts to improve water quality, harmful algal blooms remain a chronic phenomenon, with devastating environmental, economic, and social impacts in many regions worldwide. In this study, we assessed the complexity of nutrient pollution attributed to harmful algal blooms in South Florida (USA) by analyzing 20 years of flow and nutrient data within two headwater basins in the Lake Okeechobee (LO) watershed. The study used an established advanced regression method, the Weighted Regression on Time, Discharge, and Season (WRTDS) method, as an analysis framework to examine the impact of nutrient management practices on water quality trends. The WRTDS method produced total phosphorus (TP) and total nitrogen (TN) concentration and flux trends, which were then compared with existing and historic nutrient management records within the basin. Results from this study highlight divergences in progress to improve water quality. Nutrient management practices only had a weak impact on TP and TN flux trends in one of the two basins, where TP flux decreased 2% per year, and TN flux decreased 0.1% per year. TP and TN flux increased in the second basin. Variances of improvement between the two basins are likely attributable to differences in contemporary point source loading and legacy nutrient pools from non-point source inputs 20 years or more before the analysis period. The long-lasting impacts of legacy nutrients also emphasize a need for investments in technologies and practices that can withdraw nutrients from enriched soil and water. ","PeriodicalId":37723,"journal":{"name":"Resources","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139780884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Multi-Decadal Nutrient Management and Trends in Two Catchments of Lake Okeechobee 奥基乔比湖两个集水区十年来的营养物质管理和趋势

IF 3.3

Resources Pub Date : 2024-02-13 DOI: 10.3390/resources13020028

Rachael Z. Cooper, S. Ergas, M. Nachabe

{"title":"Multi-Decadal Nutrient Management and Trends in Two Catchments of Lake Okeechobee","authors":"Rachael Z. Cooper, S. Ergas, M. Nachabe","doi":"10.3390/resources13020028","DOIUrl":"https://doi.org/10.3390/resources13020028","url":null,"abstract":" Despite years of efforts to improve water quality, harmful algal blooms remain a chronic phenomenon, with devastating environmental, economic, and social impacts in many regions worldwide. In this study, we assessed the complexity of nutrient pollution attributed to harmful algal blooms in South Florida (USA) by analyzing 20 years of flow and nutrient data within two headwater basins in the Lake Okeechobee (LO) watershed. The study used an established advanced regression method, the Weighted Regression on Time, Discharge, and Season (WRTDS) method, as an analysis framework to examine the impact of nutrient management practices on water quality trends. The WRTDS method produced total phosphorus (TP) and total nitrogen (TN) concentration and flux trends, which were then compared with existing and historic nutrient management records within the basin. Results from this study highlight divergences in progress to improve water quality. Nutrient management practices only had a weak impact on TP and TN flux trends in one of the two basins, where TP flux decreased 2% per year, and TN flux decreased 0.1% per year. TP and TN flux increased in the second basin. Variances of improvement between the two basins are likely attributable to differences in contemporary point source loading and legacy nutrient pools from non-point source inputs 20 years or more before the analysis period. The long-lasting impacts of legacy nutrients also emphasize a need for investments in technologies and practices that can withdraw nutrients from enriched soil and water. ","PeriodicalId":37723,"journal":{"name":"Resources","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139840851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0