Impact of farmland reclamation on soil distribution in Japan: the case of Andosols in Nagano Prefecture

Kida, Kimihiro; Ibori, Yusuke; Kawahigashi, Masayuki

doi:10.1007/s11368-020-02816-8

Cited by 3 publications

(2 citation statements)

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“…An increase in population leads to land shortage and to meet the exponential demand for space and land, numerous land reclamation projects have been implemented (Jiang et al, 2021). A number of coastal nations, such as the USA, Netherlands, Japan, and Nigeria, have engaged in extensive sea enclosing and reclamation for urban expansion and industrial activities (Kida et al, 2021;Gyawali et al, 2021;Baker, 2022;Fashae et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Assessing the impact of anthropogenic stressors on water quality, sediment characteristics and benthic macroinvertebrates community in a Coastal Lagoon, Southwest Nigeria

Adesakin

Ehikhamele

Ogunrinola

et al. 2023

Preprint

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The aim of this study was to investigate the impact of anthropogenic stressors on environmental variables, sediment properties and benthic macroinvertebrate assemblages of Lagos Lagoon. Four sampling stations were established with respect to their importance/ anthropogenic activities within Lagos Lagoon. Surface water, bottom substrates and benthic macroinvertebrate fauna samples were collected at all sampling stations for a year while samples were analyzed using appropriate standard methods and procedures. The highest pH ranged of 7.96–8.01 (7.98 ± 2.35) was recorded at Site IV while the lowest pH mean value of 6.15 ± 1.14 was observed at Site II. Seasonally, the highest values of temperature, electrical conductivity, nitrate and THB (38.10 ± 3.66°C, 61842.83 ± 11777.45 µs/cm, 6.09 ± 3.70 mg/L and 38174.83 ± 79509.21 cfu/ml) were observed at Site I during dry season. The highest sediment pH ranged of 6.18–9.18 (7.58 ± 0.27 mV/pH) for sediment was recorded at Site I while the lowest mean pH was observed at Site II (6.87 ± 0.19 mV). The mean of sulphate, lead, chromium, cadmium and total coliform counts were higher at Site II during the dry season while nickel was higher in the rainy season. A total number of 26 species of benthic macroinvertebrates were observed during the period of study belonging to 8 classes namely: grastropoda (11), polychaeta (7), malacostraca (3), bivalvia (2), clitellata (1), thecostraca (1) and insecta (1). Gastropoda recorded highest percentage contribution of 39.12% followed by Polychaeta accounting for 30.34%, while Malacostraca contribution was 2.63%. High abundance of macroinvertebrates was recorded at Site I (256 Indiv/m2) followed by Site IV (252 Indiv/m2) and least abundance was observed at Site II (195 Indiv/m2). Low macrobenthos recorded in this study could be due to high tolerate of physico-chemical changes. The encroaching into aquatic environment around the globe often introduce toxic chemicals into waterbodies which has led to loss of certain organisms, destabilization of sediments, and thriving of tolerant benthic macroinvertebrates. Concerned authority should pass a law to stop encroaching into aquatic environment for land reclamation as a result of high urbanization around the world.

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Section: Introductionmentioning

confidence: 99%

Assessing the impact of anthropogenic stressors on water quality, sediment characteristics and benthic macroinvertebrates community in a Coastal Lagoon, Southwest Nigeria

Adesakin

Ehikhamele

Ogunrinola

et al. 2023

Preprint

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“…An increase in population leads to land shortage, and numerous land reclamation projects have been implemented to meet the exponential demand for space and land [ 3 ]. Several coastal nations, such as the USA, Netherlands, Japan, and Nigeria, have been engaged in extensive sea enclosing and reclamation for urban expansion and industrial activities [ [4] , [5] , [6] , [7] ]. In Nigeria, the world’s most populous African nation with 202 million people, about 25% of the population lives in the seven coastal states, Lagos, Ondo, Delta, Bayelsa, Rivers, Akwa Ibom, and Cross Rivers, bordering the Atlantic Ocean [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

Using benthic macroinvertebrates as bioindicators to evaluate the impact of anthropogenic stressors on water quality and sediment properties of a West African lagoon

Adesakin,

Erhomosele,

Ogunrinola

et al. 2023

Heliyon

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Improving mine reclamation efficiency for farmland sustainable use: Insights from optimizing mining scheme

Feng

et al. 2022

Journal of Cleaner Production

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Impact of farmland reclamation on soil distribution in Japan: the case of Andosols in Nagano Prefecture

Cited by 3 publications

References 3 publications

Assessing the impact of anthropogenic stressors on water quality, sediment characteristics and benthic macroinvertebrates community in a Coastal Lagoon, Southwest Nigeria

Assessing the impact of anthropogenic stressors on water quality, sediment characteristics and benthic macroinvertebrates community in a Coastal Lagoon, Southwest Nigeria

Using benthic macroinvertebrates as bioindicators to evaluate the impact of anthropogenic stressors on water quality and sediment properties of a West African lagoon

Improving mine reclamation efficiency for farmland sustainable use: Insights from optimizing mining scheme

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