Groundwater salinity and irrigation suitability in low-lying coastal areas. A case of Dar es Salaam, Tanzania
2023
•High salinity levels in irrigation water can adversely affect plant growth.•Groundwater is among the major sources of irrigation water in the world.•In low-lying coastal areas, there is a high potential...
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Prioritization of erosion susceptible watersheds using morphometric analysis and PCA approach: A case study of lower Sutlej River basin of Indian Punjab
2023
•The river basin, having area of 8577 km2, was delineated into the fourteen major watersheds in the GIS environment.•With 18 compound morphometric parameters WS7 and WS13 attained the 1st and 13th prioritized...
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Over-summering shorebirds at the Kerala coasts, west-coast of India
2023
•Documentation of over-summering shorebirds are scanty along the Indian coasts.•The present study is significant in recording over-summering shorebirds at five sites along the west coast of India during...
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Assessment of the ecotoxicological effects of deltamethrin to Daphnia magna: Linking sub-individual and supra-individual parameters
2023
•EC50 and LC50 values of the insecticide deltamethrin (DM; 48 h) were 0.3 and 65 µg/L.•DM had no significant effects on the life history traits of D. magna.•DM did not cause any evident oxidative stress...
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Synthesis of silica aerogel and its application for removal of crystal violet dye by adsorption
2023
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Detection of historical landscape changes in Lake Victoria Basin, Kenya, using remote sensing multi-spectral indices
2022
•Detecting landscape changes is vital for decision-making in management.•Multi-spectral remote sensing indices are effective in analyzing urbanization.•Wetlands, vegetated landscapes and farm lands...
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Sources of terrestrial nitrogen and phosphorus mobilization in South and South East Asian coastal ecosystems
2022
•N and P from land conversions, fertilizer and sewage in two coastal watersheds.•Land conversions reduced soil carbon, with variable effects on N and P.•Fertilizer was the largest source of N and P...
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Welfare impacts of water security in Kenya: Evidence from the Upper Ewaso Ngiro North Catchment Area
2022
•Improved water security can increase household income, and reduce exposure to water-related diseases.•Water insecurity in sub-catchment areas is existential and should be addressed with urgency to...
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Bioaccumulation of heavy metals in edible tissue of crab (Scylla serrata) from an estuarine Ramsar site in Kerala, South India
2022
Wetlands are under severe threat due to anthropogenic activities and pollutants. Many pollutants such as heavy metals may accumulate to a hazardous level. In the present study, Scylla serrata, the mud...
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Exploring biosorption properties of Litchi chinensis peel for a cationic dye Rhodamine 6G in Liquid/Solid phase system: Kinetics and equilibrium studies
2022
•The Rhodamine 6G (Rh6G), a cationic dye.•Litchi Chinensis peel powder was employed in native condition as biosorbent.•Adsorption and Kinetics and Isotherm studies were performed in the liquid/solid...
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Assessment of water, soil contamination and land cover changes in Sims and Vince Bayou urban watersheds of Houston, Texas
2022
•The N, P, Cu, Ni, Pb, and Zn concentrations in water samples of Sims and Vince Bayou can pose threat to aquatic organisms.•The Cr, Cu, Ni, Pb and Zn exceeded the levels of soil background concentrations...
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A background review and ecological risk assessment of the tactical basin plan for the Otter Creek Basin watershed ecosystem restoration project in central Vermont, USA
2022
•A conceptual site model of a watershed ecosystem in central Vermont, USA.•A baseline setting prior to the impact of Hurricane Irene.•Systematic literature review of regulatory milestone reports from...
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Mapping the spatio-temporal dynamics of global mangrove crabs to reveal its status and challenges: A bibliometric evaluation of research output during 1980–2016
2022
•A bibliometric analysis reveals research tendencies of mangrove crabs from 1980 to 2016.•The average annual output of the publications was low.•Brazil, Australia, USA, China, and Kenya were the top...
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Biochemical and genotoxic effects of some pesticides on the Egyptian Toads, Sclerophrys regularis (Reuss, 1833)
2022
•Bifenthrin was highly toxic to the Egyptian toads, followed by temephos, glyphosate and then CuSO4.•These pesticides could change the genetic and biochemical parameters of the Egyptian toads.•The Egyptian...
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Assessment of ecosystem health status using benthic diversity as tools in coastal sediments off the South West Coast, India
2022
•Benthic diversity and ecosystem health were examined in coastal sediments of South West Tamil Nadu.•AMBI & M−AMBI results showed that among the 14 stations, 2 were categorized as “poor” and 9 as “bad.”•Ecosystem...
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Contamination by heavy metals from mining activities: An ecological impact assessment of Mura and Kimpulande Rivers, Democratic Republic of the Congo
2022
•Metal levels were assessed in samples collected along Mura and Kimpulande Rivers.•ICP-MS, AAS and CVAFS indicated high heavy metal concentrations.•Extremely severe enrichment and high pollution levels...
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Wetland change prediction of Ogun-River Basin, Nigeria: Application of cellular automata Markov and remote sensing techniques
2022
•Salinity intrusion and stressed vegetated cover are drivers of wetland changes.•Soil types, and digital elevation revealed wetland qualitative differences.•Information on land cover change is indispensable...
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Impact of applying imazapyr on the control of Spartina alterniflora and its eco-environments in the Yellow River Delta, China
2022
•The control of Spartina alterniflora by imazapyr is superior to the physical treatment method in terms of technology, cost, time-consuming and environmental protection.•Both imazapyr itself and its...
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Metal accumulation in two crab species from the Woji Creek (Nigeria) and human health risk assessment due to crab consumption: Callinectes sapidus and Cardisoma armatum
2022
•In the tissues of the three crab species, [Pb] and [Cr] were highest.•The hazard index (HI) was below 1 for male and female (adults and children).•The crabs could be a dietary source of chronic dose...
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Research progress and development trend of coastal wetland restoration in greater bay areas
2022
•We explored the progress and development trend of coastal restoration in greater bay.•Restoration methods are mainly based on biotic, hydrologic, and chemical processes.•Functional processes are critical...
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Dynamics and drivers of land use and land cover changes in Migori River Watershed, western Kenya region
2022
•The patterns and drivers of LULC changes in Migori River watershed were studied.•A mixed method involving remote sensing, GIS and index-based ranking and logistic regression of survey data was used.•Vegetated...
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