Wastewater Protozoan-Driven Environmental Processes for the Protection of Water Resources

Momba, Maggy Ndombo Benteke

doi:10.5772/9775

Cited by 5 publications

(2 citation statements)

References 37 publications

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“…Te diference may be explained by the strong correlations between basal area, volume, tree height, and biomass expansion parameters [57]. Our results are higher than those of Momba and Bux [58] who discovered 0.8731 tropical dry trees in eastern Sinaloa, Mexico. Tis was caused by biomass expansion factors that depend on the size of the tree or are directly proportional to the total biomass of trees [59].…”

Section: Biomass Expansion Factorcontrasting

confidence: 59%

Species-Specific Allometric Equations, Biomass Expansion Factor, and Wood Density of Native Tree Species in the Dry Afromontane Forest of Ethiopia

Egeta,

Negash,

Alebachew

et al. 2023

International Journal of Forestry Research

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A forest is a storehouse of carbon released from different sources when the activities of sustainable forest management, planting, and rehabilitation exist. However, few allometric equations are present to determine its contribution to carbon reduction. The target of the study was to develop species-specific allometric equations and establish a database for biomass expansion factor and wood density for five tree species grown in the dry Afromontane forest of Ethiopia. A direct or destructive sampling method was used on 62 trees from different diameter classes. The diameter at breast height and the total height of selected trees ranged from 7 to 48 cm and 6.7 to 23.4 m, respectively. Trees were felled and divided into various biomass sections. Stem and big branch discs were sampled to determine the wood density and volume of the trees. Sample wood and foliage were oven-dried for three days and two days at 105°C and 70°C, respectively, to get their dry weight. Total above-ground biomass was regressed using diameter at breast height, total height, wood density, and average crown diameter as independent variables. R software version 4.0.1 was used to fit the biomass equations. The best biomass models were determined to have lower AIC and RSE and highest adj. R2. The biomass expansion factor and wood density of five tree species ranged from 1.19 to 1.40 and 0.53 to 0.74 g/cm−3, respectively. Species-specific allometric equations were better than both mixed species and pan tropical models for the assessment of above-ground biomass in the Chilimo dry Afromontane forest of Ethiopia.

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Section: Biomass Expansion Factorcontrasting

confidence: 59%

Species-Specific Allometric Equations, Biomass Expansion Factor, and Wood Density of Native Tree Species in the Dry Afromontane Forest of Ethiopia

Egeta,

Negash,

Alebachew

et al. 2023

International Journal of Forestry Research

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“…Severe extreme events are prolonged droughts leading to water shortages, which could affect more than 65% of the world's human population by 2025 [22]. Currently, 40% of the world's population does not have enough water, and according to a UNESCO report, the amount of available water will be further reduced by about 30% in the next 20 years [23].…”

Section: Resultsmentioning

confidence: 99%

Bulletin WKU

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Annotation.Although in an era of climate change and increasingly violent weather events, extreme events (flooding vs. desiccation) cannot be eliminated, and their management in river floodplains can significantly contribute. The article focuses on the role played by oxbow lakes in water accumulation and primary production using a section of the Ural River valley (western Kazakhstan) as an example. The level of water accumulation in these areas significantly changed between spring and summer. The area is also an important site of primary production. Chlorophylla can be used as a proxy for the amount of phytoplankton and is an important water quality parameter. This ecological formation in oxbow lakes causes selective absorption of light by chlorophyll-a pigment that can be identified by remote sensing of watercolor. Using satellite imagery has proven to be an excellent tool for assessing the potential of the floodplain and selecting sites of monitoring interest. In this way, it was pointed out that the role of river basins is to increase the resilience of the basin to climate and anthropogenic changes, as well as to increase water security, improve water quality, and enhance ecosystem services for society.

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Sustainable floodplain management for flood prevention and water quality improvement

2014

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Although it is not possible to completely eliminate flooding in an era of climate change and intensification of extreme weather events, effective flood prevention and management in river floodplains may make a significant contribution. The land use characteristics of a catchment and river valley determine, to a great extent, the functioning of a river floodplain, as well as the quantity and size of the flood pulses in the river. The paper is focused on the role played by ecohydrology in flood risk management and water quality. From the ecohydrological perspective, river floodplains are extremely important and capacious ecosystems which, being periodically flooded, absorb flood and pollutant peaks and may minimise the danger of flooding. Increased natural water retention capacity in floodplain areas and the whole basin in the face of progressive climate change is possible through three routes: the modelling of the hydrological budget of the catchment towards the sustainable ecohydrological management of floodplains, the optimal use of existing hydrotechnical infrastructure and the implementation of ecohydrological biotechnologies. Furthermore, with such a holistic perspective, the role of river floodplains is one that also enhances the resilience of the river basin against climate and anthropogenic change, as well as increasing flood safety, improving water quality and increasing its ecosystem services for society.

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Wastewater Protozoan-Driven Environmental Processes for the Protection of Water Resources

Cited by 5 publications

References 37 publications

Species-Specific Allometric Equations, Biomass Expansion Factor, and Wood Density of Native Tree Species in the Dry Afromontane Forest of Ethiopia

Species-Specific Allometric Equations, Biomass Expansion Factor, and Wood Density of Native Tree Species in the Dry Afromontane Forest of Ethiopia

Bulletin WKU

Sustainable floodplain management for flood prevention and water quality improvement

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