22 hasil untuk "Brian Rotich"
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Artikel Jurnal
Trends and drivers of forest cover change in the Cherangany hills forest ecosystem, western Kenya
Detecting and monitoring forest cover change and its drivers has become a vital component of forest management globally as it helps in decision-making and policy development. The objective of this study was to analyze the spatio-temporal trends of forest cover change and its drivers from 1985 to…
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Artikel Jurnal Teks lengkap
Assessment of the environmental impacts of conflict-driven Internally Displaced Persons: A sentinel-2 satellite based analysis of land use/cover changes in the Kas locality, Darfur, Sudan.
Internal displacement of populations due to armed conflicts can substantially impact a region's Land Use and Land Cover (LULC) and the efforts towards the achievement of Sustainable Development Goals (SDGs). The objective of this study was to determine the effects of conflict-driven Internally…
Juga tersedia di: PLOS
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Artikel Jurnal
Soil moisture research in Kenya based on a systematic review of monitoring modelling and hydrological applications
Abstract Soil moisture is an important hydrological state variable governing water balance partitioning, agricultural productivity, and ecosystem functioning. Despite its importance, particularly in the arid and semi‑arid lands (ASALs), no comprehensive synthesis has assessed how soil moisture is…
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Artikel Jurnal
Historical and projected forest cover changes in the Mount Kenya Ecosystem: Implications for sustainable forest management
Understanding historical patterns of forest cover change (FCC) is critical for predicting future trends and informing sustainable management strategies. This study quantified and analyzed historical and projected FCC in the Mount Kenya Ecosystem (MKE), central Kenya. Land Use Land Cover (LULC) maps…
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Artikel Jurnal
Influence of elevation, soil depth and climatic variables on soil physicochemical properties: a case study of farmlands on the eastern slopes of Mount Kenya
Abstract This study investigated the variation of soil physicochemical properties across elevation gradients and soil depths in farmlands on the eastern slopes of Mount Kenya. Using a stratified systematic sampling approach, 30 composite soil samples were collected along an 18 km transect from…
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Artikel Jurnal
Impact of land use/land cover changes on ecosystem service values in the cherangany hills water tower, Kenya
Land Use/Land Cover (LULC) changes alter the ecosystem structure and function, resulting in variations of the Ecosystem Service Values (ESVs). This study investigated the impacts of LULC changes on ESVs over 37 years in the Cherangany Hills Water Tower (CHWT) of Kenya. Landsat images from 1985 and…
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Artikel Jurnal
Sub-diurnal (daytime) and vertical profile variations of the physicochemical characteristics of Lake Rukwa: Implications for ecological state
This study investigates the daytime and vertical variations in the physicochemical properties of Lake Rukwa and their implications for the lake’s ecological status. In this study, field measurements included pH, temperature, dissolved oxygen (DO), oxygen saturation (O2 (%)), electrical conductivity…
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Artikel Jurnal
RETRACTED: Utilization of the mid-infrared spectroscopy in a county-scale soil survey: The case of Pest County, Hungary
This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/policies/article-withdrawal).This article is being retracted at the request of the authors and the Editor-in-Chief. The article was submitted and subsequently published without the…
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Artikel Jurnal
Integrating remote sensing and machine learning to evaluate environmental drivers of post-fire vegetation recovery in the Mount Kenya forest
Abstract In recent decades, the increasing frequency and severity of wildfires have been linked to climate change and human activities. Understanding the dynamics of post-fire vegetation recovery (PVR) is therefore critical for forest ecosystem restoration and management. The present study analysed…
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Artikel Jurnal Teks lengkap
Vegetation Dynamics and Climate Variability in Conflict Zones: A Case Study of Sortony Internally Displaced Camp, Darfur, Sudan
Understanding vegetation dynamics and climate variability in the vicinity of Internally Displaced Person (IDP) camps is critical due to the high dependency of displaced populations on local natural resources. This study investigates vegetation cover changes and long-term climate variability around…
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Artikel Jurnal
Influence of environmental variables and anthropogenic activities on soda-saline lakes chemistry in northern Tanzania: A remote sensing and GIS approach
This study employed Remote Sensing and Geographical Information Systems to explore the influence of environmental factors and human-induced land use/land cover changes on the chemistry of soda-saline lakes in Northern Tanzania. Satellite-based rainfall data were sourced from the Climate Hazards…
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Artikel Jurnal
Environmental and socio-economic impacts assessment of stone quarrying along River Mutonga, Meru County, Kenya
Abstract Stone quarrying is a key source of construction materials and livelihood opportunities in developing countries, yet it poses major environmental and socio-economic challenges. This study examined the spatial distribution, spatiotemporal dynamics, ecological and socio-economic impacts of…
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Artikel Jurnal Teks lengkap
Farm Household Typology Based on Soil Quality and Influenced by Socio-Economic Characteristics and Fertility Management Practices in Eastern Kenya
The smallholder farming systems in Sub-Saharan Africa (SSA) are highly diverse and heterogeneous in terms of biophysical and socio-economic characteristics. This study was conducted in upper Eastern Kenya (UEK) to categorize farm households and determine the influence of socio-economic…
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Artikel Jurnal
Mapping suitability for solar-powered irrigation systems using GIS–AHP in Baringo County, Kenya
Abstract Solar-powered irrigation Systems (SPIS) are critical for agricultural production enhancement, food security and climate change adaptation, especially in Arid and Semi-Arid Lands (ASAL). There is increased attention towards shifting to more abundant and cleaner energy potential sources for…
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Artikel Jurnal
Determinants of soil and water conservation practices adoption by smallholder farmers in the central highlands of Kenya
The central highlands of Kenya play a vital role in supporting agricultural activities and sustaining the livelihoods of smallholder farmers. Despite its crucial role, the region faces substantial environmental challenges like soil erosion and land degradation, necessitating the adoption of…
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Artikel Jurnal
Land use/land cover dynamics in an arid and semi-arid landscape: A 24-year analysis of Baringo County, Kenya (2000–2024)
Assessing land use and land cover (LULC) changes in arid and semi-arid lands (ASALs) is essential for promoting environmental conservation, improving ecosystem functionality, and formulating sustainable land use plans. This study examined LULC changes in Baringo County, Kenya, over a 24-year period…
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Artikel Jurnal
Hydrochemical characterization, heavy metal contamination, and human health risk assessment of borehole water in Mbeya Urban, Tanzania
Background: Borehole water is a major domestic water source in many urban and peri‑urban areas with inadequate centralized piped supply infrastructure. Purpose and methodology: This study evaluated the hydrochemical characteristics, heavy metal concentrations, and human health risks of borehole…
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Artikel Jurnal
Awareness and adoption strategies for improved agricultural practices (IAPs) by smallholder farmers in the Mbeya Region, Tanzania
Abstract Although numerous studies have reported an increased yield upon adoption to improved agricultural practices (IAPs), yet smallholder farmers face limited access to this information. The objective of this study was to assess smallholder farmers' awareness and adoption of IAPs. A total of 206…
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Artikel Jurnal
Agronomic management response in maize (Zea mays L.) production across three agroecological zones of Kenya
Abstract Maize (Zea mays L.) productivity in Kenya has witnessed a decline attributed to the effects of climate change and biophysical constraints. The assessment of agronomic practices across agroecological zones (AEZs) is limited by inadequate data quality, hindering a precise evaluation of maize…