A5054371734- Forest ecology and management
- Plant Water Relations and Carbon Dynamics
- Ecology and Vegetation Dynamics Studies
- Conservation, Biodiversity, and Resource Management
- Soil Carbon and Nitrogen Dynamics
- Forest Management and Policy
- Remote Sensing in Agriculture
- African Botany and Ecology Studies
- Bamboo properties and applications
- Plant nutrient uptake and metabolism
- Geotechnical and construction materials studies
- Plant Diversity and Evolution
- Climate variability and models
- Geology and Paleoclimatology Research
- Agroforestry and silvopastoral systems
- Evolution and Paleontology Studies
- Agronomic Practices and Intercropping Systems
- Pesticide Exposure and Toxicity
- Pesticide and Herbicide Environmental Studies
- Atmospheric and Environmental Gas Dynamics
- Weed Control and Herbicide Applications
- Irrigation Practices and Water Management
- Remote Sensing and LiDAR Applications
- Mangiferin and Mango Extracts
Council for Scientific and Industrial Research
2014-2024
Forestry Research Institute of Ghana
2013-2023
The Forestry Commission of Ghana
2013-2023
Kwame Nkrumah University of Science and Technology
2018-2020
University Surgical Associates
2018
Michigan Technological University
2017-2018
Abstract Tropical forests cover large areas of equatorial Africa and play a substantial role in the global carbon cycle. However, there has been lack biometric measurements to understand forests’ gross net primary productivity (GPP, NPP) their allocation. Here we present detailed field assessment budget multiple forest sites Africa, by monitoring 14 one-hectare plots along an aridity gradient Ghana, West Africa. When compared with equivalent Amazonia, studied African generally had higher...
Meteorological extreme events such as El Niño are expected to affect tropical forest net primary production (NPP) and woody growth, but there has been no large-scale empirical validation of this expectation. We collected a large high–temporal resolution dataset (for 1–13 years depending upon location) more than 172 000 stem growth measurements using dendrometer bands from across 14 regions spanning Amazonia, Africa Borneo in order test how much month-to-month variation stand-level adult tree...
Abstract Net Primary Productivity ( NPP ) is one of the most important parameters in describing functioning any ecosystem and yet it arguably remains a poorly quantified understood component carbon cycling tropical forests, especially outside Americas. We provide first comprehensive analysis its allocation to woody, canopy root growth components at contrasting lowland West African forests spanning rainfall gradient. Using standardized methodology study evergreen EF ), semi‐deciduous SDF dry...
Abstract Tropical forests dominate terrestrial photosynthesis, yet there are major contradictions in our understanding due to a lack of field studies, especially outside the tropical Americas. A recent study indicated that West African have among highest gross primary productivity (GPP) observed, contradicting models rank them lower than Amazonian forests. Here, we show possible reasons for this data-model mismatch. We found biometric GPP measurements on average 56.3% higher multiple global...
Abstract Fine roots constitute a significant component of the net primary productivity (NPP) forest ecosystems but are much less studied than aboveground NPP. Comparisons across sites and regions also hampered by inconsistent methodologies, especially in tropical areas. Here, we present novel dataset fine root biomass, productivity, residence time, allocation old‐growth rainforest worldwide, measured using consistent methods, examine how these variables related to consistently determined...
The exploitation of timber has had a profound impact on tropical forest areas and their structures. This study assessed the effect selective logging natural regeneration soil characteristics in post-loading bay sites at Pra-Anum reserve Ghana, West Africa. results showed no difference number species enumerated loading bays undisturbed area. More trees were observed RAT RNT plots than Relative to plot, area less diverse evenly distributed. Mean tree height, diameter, basal higher plots. Soil...
Transitions between forest and savannah vegetation types in fossil pollen records are often poorly understood due to over-production by taxa such as Poaceae a lack of modern pollen-vegetation studies. Here, assemblages from within forest-savannah transition West Africa presented compared, their characteristic discussed, implications for the record considered. Fifteen artificial traps were deployed 1 year, collect rain three plots Ghana. High percentages Melastomataceae/Combretaceae recorded...
Abstract Understanding the changes in root exploitation strategies during post‐logging recovery is important for predicting forest productivity and carbon dynamics tropical forests. We sampled fine (diameter < 2 mm) roots using soil core method to quantify fine‐root biomass architectural morphological traits determine an old growth a 54‐yr‐old logged‐over influenced by similar parent material climate. Seven were considered: four associated with resource potential or ‘extensive’ strategy...
One of the main threats to sustainability timber production in naturally managed forests Ghana is insufficient regeneration tree species. This study assessed success a logged forest by comparing species composition, diversity, density, recruitment, mortality, and growth established seedlings 160 seedling plot samples 50 m2 located randomly on skid trails, secondary felled gaps unlogged parts same forest. The was done within 134-ha compartment selectively moist semi-deciduous over period 33...
Although herbicides have extensively been used in forest landscape restoration, its effects and opportunity costs rarely studied Ghana. This study evaluated types of used, assessed the perceptions herbicide usage among farmers enrolled a taungya (i.e. farm forestry programs) dry semi-deciduous ecological zone The also analyzed challenges associated with application determined impact socio-economic factors that influence decision to use on farms. Data were collected from 300 20 traders...
The effect of time lag after logging on seedling dynamics was assessed in logged and unlogged forest plots located the Pra-Anum Forest Reserve. Remnant tree attributes were sampled six with sizes 25 × m each type. Within type, ten subplots 1 established for sampling regeneration dynamics. Enumerated seedlings grouped as pioneer, non-pioneer light demander, shade-tolerant species. Regenerating more diverse recently area characterised by Broussonetia papyrifera Musanga cecropioides, least...
This article reports on a study conducted to assess the carbon storage potential of Bambusa vulgaris , predominant bamboo species in Ghana. The aimed fill knowledge gap sequester for climate change mitigation Unlike previous studies that only focused aboveground biomass, this assessed belowground, litter, and coarse wood pools. Allometric parameters models were used measure while other pools directly measured. results showed biomass B. had stock 42.85 ± 9.32 Mg C ha −1 which was 73% total...
Abstract Tropical forests cover large areas of equatorial Africa and play a significant role in the global carbon cycle. However, there has been lack in-situ measurements to understand forests’ gross net primary productivity (GPP NPP) their allocation. Here we present first detailed field assessment budget multiple forest sites Africa, by monitoring 14 one-hectare plots along an aridity gradient Ghana. When compared with equivalent Amazonia using same measurement protocol, studied West...
One of the major concerns in forestry tropics is lack information on impact canopy disturbance through logging. The degree opening that should be allowed during logging to enhance natural regeneration timber tree species not known. Information seedling ecology individual and ecological groups which base management decisions are also lacking. Experiments determine ecophysiological responses seedlings different irradiances two forest sites were carried out. reserves Nkrabia Tinte Bepo Moist...
Unregulated harvest of tree bark for medicinal purposes has led to overexploitation and extinction some valuable species. The study assessed recovery rates four species determined their regenerative abilities, stress shoot production susceptibility wood borers. A total 192 trees Bombax buonopozense, Mangifera indica, Azadirachta indica Blighia sapida were randomly selected outside protected forests in the Moist Semi-deciduous (MSD) Guinea Savannah (GS) ecological zones Ghana. harvested using...
2 Abstract Tropical forests cover large areas of equatorial Africa and play a significant role in the global carbon cycle. However, there has been lack in-situ measurements to understand forests’ gross net primary productivity (GPP NPP) their allocation. Here we present first detailed field assessment budget multiple forest sites Africa, by monitoring 14 one-hectare plots along an aridity gradient Ghana. When compared with equivalent Amazonia using same measurement protocol, studied West...
Abstract Tropical forests dominate terrestrial photosynthesis, yet there are major contradictions in our understanding due to a lack of field studies, especially outside the tropical Americas. A recent study indicated that West African have among highest gross primary productivity (GPP) observed, contradicting models rank them lower than Amazonian forests. Here, we explore possible reasons for this data-model mismatch. We found situ GPP measurements higher multiple global products at studied...
<title>Abstract</title> Tropical forests dominate terrestrial photosynthesis, yet there are major contradictions in our understanding due to a lack of field studies, especially outside the tropical Americas. A recent study indicated that West African have among highest gross primary productivity (GPP) observed, contradicting models rank them lower than Amazonian forests. Here, we explore possible reasons for this data-model mismatch. We found situ GPP measurements higher multiple global...