Emmanuel Danquah

Emmanuel Danquah
Kwame Nkrumah University Of Science and Technology | KNUST · Department of Wildlife and Range Management

PhD

About

89
Publications
58,894
Reads
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969
Citations
Citations since 2017
48 Research Items
813 Citations
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
Additional affiliations
August 2020 - present
Kwame Nkrumah University Of Science and Technology
Position
  • Professor
Description
  • Teaching, Research and Service to Community
August 2016 - August 2020
Kwame Nkrumah University Of Science and Technology
Position
  • Professor (Associate)
Description
  • Teaching, Research and Service to Community
September 2012 - February 2014
United States Fish & Wildlife Service
Position
  • Principal Investigator
Description
  • Red Hot Pepper Solution for Crop Raiding elephants around the Bia Conservation Area, Ghana

Publications

Publications (89)
Article
Full-text available
We relied on local knowledge of fishers in five coastal communities in Ghana to investigate ecological factors that affect fishing for elasmobranchs (sharks and rays) and the changes in the abundance of sharks and rays from 1980 to 2020. We gathered data using participant observation, interviews, focus group discussions, and participatory rural app...
Article
This study provides first-hand information on how the changing microhabitat in evergreen forests influences the assemblage of small terrestrial mammals. 30 plots of 100 × 50 metres were randomly sampled in the closed forest, open forest and farmlands habitats. Four transects, 100 m in length, spaced at 10 m, were established in each plot. Ten traps...
Article
Full-text available
This study compared the forage quality of Cajanus cajan, Stylosanthes mucronata, Tephrosia purpurea, and Securinega virosa in the savanna ecological zone of Ghana. The shrubs were cultivated using Randomized Complete Block Design (RCBD) and their growth were monitored. Leaf samples were hand-harvested at 7, 10, and 13 weeks after establishment, air...
Article
This study compared the forage quality of Cajanus cajan, Stylosanthes mucronata, Tephrosia purpurea, and Securinega virosa in the savanna ecological zone of Ghana. The shrubs were cultivated using Randomized Complete Block Design (RCBD) and their growth were monitored. Leaf samples were hand-harvested at 7, 10, and 13 weeks after establishment, air...
Article
Full-text available
Knowledge on the population history of endangered species is critical for conservation, but whole-genome data on chimpanzees (Pan troglodytes) is geographically sparse. Here, we produced the first non-invasive geolocalized catalog of genomic diversity by capturing chromosome 21 from 828 non-invasive samples collected at 48 sampling sites across Afr...
Article
Despite the fact that elasmobranchs are now targeted in artisanal fisheries in the wake of continuous declines of teleosts in Ghana, data on any aspects of these fisheries are poor. This study aims to document the spatial and temporal variation, and biological composition of elasmobranchs in five key elasmobranch-dominated fishing communities in We...
Article
Small-scale shark fisheries support the livelihoods of a large number of coastal communities in developing countries. Shark meat comprises a cheap source of protein and is traded locally in many parts in developing countries, while the skins, oil, and fins are exported to the international market. This study addresses a gap in literature regarding...
Article
Full-text available
Discussions of how animal culture can aid the conservation crisis are burgeoning. As scientists and conservationists working to protect endangered species, we call for reflection on how the culture concept may be applied in practice. Here, we discuss both the potential benefits and potential shortcomings of applying the animal culture concept, and...
Preprint
Discussions of how animal culture can aid the conservation crisis are burgeoning. As scientists and conservationists working to protect endangered species, we call for reflection on how the culture concept may be applied in practice. Here, we discuss both the potential benefits and potential shortcomings of applying the animal culture concept and p...
Article
Full-text available
Aim: Modelling African great ape distribution has until now focused on current or past conditions, while future scenarios remain scarcely explored. Using an ensemble forecasting approach, we predicted changes in taxon-specific distribution under future scenarios of climate, land use and human populations for (1) areas outside protected areas (PAs)...
Article
Full-text available
Paleoclimate reconstructions have enhanced our understanding of how past climates have shaped present-day biodiversity. We hypothesize that the geographic extent of Pleistocene forest refugia and suitable habitat fluctuated significantly in time during the late Quaternary for chimpanzees (Pan troglodytes). Using bioclimatic variables representing m...
Article
Full-text available
West African dwarf crocodiles (Osteolaemus sp. nov. cf. tetraspis) are among the most threatened crocodilians in the world due to unregulated hunting and habitat loss-related population decline. Despite this, many questions about their basic ecology remain unanswered and this inadequate data hampers effective dwarf crocodile management. We describe...
Article
Full-text available
A Correction to this paper has been published: https://doi.org/10.1038/s41467-021-21010-z.
Preprint
Full-text available
Small-scale shark fisheries support a large number of coastal community livelihoods in developing countries. Shark meat comprises a cheap source of protein and is traded locally in many parts in developing countries, while the skins, oil, fins and gill rakers are exported to the international market. This study addresses a gap in literature regardi...
Preprint
Full-text available
Local Ecological Knowledge has the potential to improve fishery management by providing new data on the fishing efforts, behavior, and abundance trends of fish and other aquatic animals. Here, we relied on local knowledge of fishers to investigate ecological factors that affect elasmobranch fishers operations and the changes in stock status of shar...
Article
Full-text available
Large brains and behavioural innovation are positively correlated, species-specific traits, associated with the behavioural flexibility animals need for adapting to seasonal and unpredictable habitats. Similar ecological challenges would have been important drivers throughout human evolution. However, studies examining the influence of environmenta...
Preprint
Full-text available
Aim Modelling African great ape distribution has until now focused on current or past conditions, whilst future scenarios remain scarcely explored. Using an ensemble forecasting approach, we predicted changes in taxon-specific distribution under future scenarios of climate, land-use and human population changes. Location Sub-Saharan Africa Method...
Article
Full-text available
This study assessed invertebrate response to disturbances in the riparian zone of the Wewe river, using geometric series, rarefaction, Renyi diversity, and CCA models. We sampled 2,077 individuals (dry season) and 2,282 (wet season) belonging to 16 invertebrate orders. The severely disturbed habitat registered the highest individuals ( n = 1,999),...
Article
Full-text available
Even though information on global biodiversity trends becomes increasingly available, large taxonomic and spatial data gaps persist at the scale relevant to planning conservation interventions. This is because data collectors are hesitant to share data with global repositories due to workload, lack of incentives, and perceived risk of losing intell...
Article
Full-text available
Floodplains are among the most productive and highly diverse ecosystems that serve as a source of feed, shelter and breeding ground for wildlife, as well as protect neighbouring settlements from flush floods. Nonetheless, they are among the most threatened habitats on earth. The study quantified factors that accounted for floodplain vegetation chan...
Article
Full-text available
More than just numbers We often frame negative human impacts on animal species in terms of numbers of individuals reduced or numbers of regions from which species are absent. However, human activities are likely affecting species in more complex ways than these figures can capture. Kühl et al. studied behavioral and cultural diversity in our closes...
Article
Full-text available
With continued expansion of anthropogenically modified landscapes, the proximity between humans and wildlife is continuing to increase, frequently resulting in species decline. Occasionally however, species are able to persist and there is an increased interest in understanding such positive outliers and underlying mechanisms. Eventually, such insi...
Article
Full-text available
Our study examined Odonata assemblages distribution pattern and the predictive factors that accounted for this in the lotic and lentic water systems within the Ankasa Conservation Area (Ghana). A total of 23 sites with sampling protocol of 2 researchers per hour per sampling site were used to survey Odonata species over two seasons in the three wat...
Article
Full-text available
With continued expansion of anthropogenically modified landscapes, the proximity between humans and wildlife is continuing to increase, frequently resulting in species decline. Occasionally however, species are able to persist and there is an increased interest in understanding such positive outliers and underlying mechanisms. Eventually, such insi...
Article
Full-text available
We assessed the effects of different levels of anthropogenic disturbance on Odonata species richness and assemblage composition in four different habitats in Ghana: mining sites, agricultural fields, human settlements, and primary forest habitat. A total of 992 individual adult Odonata representing 51 species (20 Zygoptera, 31 Anisoptera) in six fa...
Article
Full-text available
Pangolins, considered the most-trafficked mammals on Earth, are rapidly heading to extinction. Eight extant species of these African and Asian scale-bodied anteaters are commonly recognized, but their evolutionary relationships remain largely unexplored. Here we present the most comprehensive phylogenetic assessment of pangolins, based on genetic v...
Conference Paper
Knowledge on density trends and habitat use of wildlife species is vital for the development of conservation and management plans. By comparing density estimates for the spotted hyena (Crocuta crocuta) and lion (Panthera leo) over a ten-year period (2009-2018) in the Mole National Park (Mole) in northern Ghana, we show that hyena density and distri...
Article
Full-text available
Sub-Saharan Africa is the leading producer of Theobroma cacao (cocoa) in the world and this agro-ecosystem continues to replace the natural forest ecosystem in the region. These anthropogenic perturbations have particularly disturbed the tropical rainforests of the Upper Guinean area. Currently, we do not understand how bats are responding to this...
Article
Full-text available
Recent studies have indicated that frequent anthropogenic disturbances in tropical developing countries are primary drivers of reduction in community diversity and local extinction of many arthropods, including dragonflies. We assessed the impact of anthropogenic disturbances on odonate assemblages across three different land use types, in a biodiv...
Poster
Full-text available
The global population of the critically endangered western chimpanzee (Pan troglodytes verus) has dramatically declined by more than 80% over the last three generations (i.e. 69 years) (Humle et al., 2016). In Ghana, the species was thought to be locally extinct or nearly extinct (Caldecott & Miles, 2005), until their continuous presence was docume...
Poster
Full-text available
Managers of Protected Areas (PAs) require dependable monitoring programs to better understand the extent and factors contributing to wildlife declines and illegal activity observation, however the success of these national parks and resource reserves in adequately conserving species and ecosystems are increasingly being questioned. Data needed for...
Article
Full-text available
African large mammals are under extreme pressure from unsustainable hunting and habitat loss. Certain traits make large mammals particularly vulnerable. These include late age at first reproduction, long inter-birth intervals, and low population density. Great apes are a prime example of such vulnerability, exhibiting all of these traits. Here we a...
Article
Full-text available
A survey of birds in Mole National Park in the Northern Region of Ghana between February and May 2016 to identify and determine the diversity and abundance of bird species. Using Point Count Method, all birds were observed at fixed locations using an Opticron Polarex 8×40 field binocular and identification of birds’ species were confirmed by Birds...
Article
Full-text available
A survey of birds in Mole National Park in the Northern Region of Ghana between February and May 2016 to identify and determine the diversity and abundance of bird species. Using Point Count Method, all birds were observed at fixed locations using an Opticron Polarex 8×40 field binocular and identification of birds’ species were confirmed by Birds...
Chapter
The study sought to train farmers to use the chilli (hot pepper) grease method for mitigating elephant crop raiding in Bia Conservation Area. This adaptive form of managing crop raids involved field trials in five affected communities to demonstrate the efficacy of the mitigation strategy. Participants were supported with start-up materials to appl...
Chapter
Managers of Protected Areas (PAs) require dependable monitoring programs to better understand the extent and factors contributing to wildlife decline and observation of illegal activity. However, the success of these PAs in adequately conserving species and ecosystems are increasingly being questioned. Furthermore, data needed for assessment of the...
Chapter
The Community Resources Management Area (CREMA) concept in Ghana is a Wildlife Division initiative that employs adaptive resources governance at the community level to reconcile the conflicting goals of conserving biodiversity whilst enhancing local livelihoods. Perceived advantages of CREMAs have not been tested in Ghana. By using field data from...
Article
Full-text available
To avoid unnecessary waste of limited resources and to help prioritize areas for conservation efforts, this study aimed to provide information on habitat use by elephants between the wet and dry seasons in the Mole National Park (MNP) of Ghana. We compiled coordinates of 516 locations of elephants' encounters, 256 for dry season and 260 for wet sea...
Article
Full-text available
To avoid unnecessary waste of limited resources and to help prioritize areas for conservation efforts, this study aimed to provide information on habitat use by elephants between the wet and dry seasons in the Mole National Park (MNP) of Ghana. We compiled coordinates of 516 locations of elephants' encounters, 256 for dry season and 260 for wet sea...
Article
Full-text available
The PREDICTS project—Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (www.predicts.org.uk)—has collated from published studies a large, reasonably representative database of comparable samples of biodiversity from multiple sites that differ in the nature or intensity of human impacts relating to land use. We have used t...
Data
The PREDICTS project—Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (www.predicts.org.uk)—has collated from published studies a large, reasonably representative database of comparable samples of biodiversity from multiple sites that differ in the nature or intensity of human impacts relating to land use. We have used t...
Article
Full-text available
The PREDICTS project—Projecting Responses of Ecological Diversity In Changing Terrestrial Systems (www.predicts.org.uk)—has collated from published studies a large, reasonably representative database of comparable samples of biodiversity from multiple sites that differ in the nature or intensity of human impacts relating to land use. We have used t...
Article
Full-text available
The growth and long-lived growth patterns observed in many Savanna shrubs may be advantageous for survival in harsh physical environment. This study was conducted to estimate the growth potential and biomass yield of Securinega virosa, Cajanus cajan, Stylosanthes mucronata and Tephrosia purpurea in the northern region of Ghana. A total of 16 experi...
Article
Full-text available
An elephant survey was conducted in the Bia-Goaso Forest Block in western Ghana during the wet season month of November, 2012 to determine the distribution of elephants and assess the human and ecological variables that affect them. One hundred and thirty 1-kilometre transects were systematically distributed in three strata (high, medium and low de...
Article
Full-text available
The Community Resources Management Area (CREMA) concept in Ghana is a Wildlife Division initiative that devolves sustainable user rights of natural resources to rural communities in an attempt to reconcile the sometimes conflicting goals of conserving biodiversity and enhancing local livelihoods. Perceived advantages of CREMAs have not been tested...
Article
Knowledge on faunal diversification in African rainforests remains scarce. We used phylogeography to assess (i) the role of Pleistocene climatic oscillations in the diversification of the African common pangolin (Manis tricuspis), and (ii) the utility of our multi-locus approach for taxonomic delineation and trade tracing of this heavily poached sp...
Article
Full-text available
Abstract The dispersal ability of straw coloured fruit bats (Eidolon helvum), was investigated on the University of Energy and Natural Resources (UENR) Campus in Sunyani from January 2013 to December 2014. A reconnaissance exercise was conducted in the UENR in order to stratify the campus into bat-occupied and unoccupied zones (strata) based on th...
Article
Full-text available
Knowledge on the impacts of logging activity on inhabitant primate species in Kwabre Rainforest, Ghana, is vital for the development of a comprehensive conservation and management plan. With this background, primate density and diversity were recorded along line transects in logged and unlogged areas (strata) to assess the impact of logging activit...
Article
Full-text available
Abstract Four sample plots, each of size 20m by 20m were systematically distributed in two strata (i.e. two plots in bat-occupied zone and the remaining two plots in bat-unoccupied zone, to serve as control units). Using six (20m x 20m) sample plots each, basal area, canopy, and heights of trees with DBH ≤ 1m were measured. Fourteen individual tree...
Chapter
In the current era of global climate change, protected areas are vital to national biodiversity conservation strategies. In order to determine the relative importance of categories of protected areas to carnivore conservation, species composition and encounter rates of carnivores were examined in two different protected area categories in the Bia-G...
Chapter
The study provides habitat information on density and distribution of bird species in Xavi Ecotourism Site (XES) in the Akatsi district of the Volta Region, Ghana. This may be used as a basis for improved tourism at XES and for future monitoring of climate change impacts on the avian community. Using the Timed Species-Count Method, one hundred and...
Article
Full-text available
A survey of buffaloes in the Kogyae Strict Nature Reserve, Ghana was conducted to assess their distribution in the dry season month of January 2013. Forty line transects were systematically distributed in the various vegetation types and a team of four persons led by a compass man recorded direct sightings of buffaloes along the transects. Coordina...
Article
Full-text available
Crop raiding by elephants continues to increase as human populations in elephant ranges expand. The risk of crop losses can be reduced by identifying the most important farm land features that attract elephants. Risk factors vary from place to place and must be identified by site-specific studies. The most important risk factors include distance of...
Article
Full-text available
The bushmeat trade in tropical Africa represents illegal, unsustainable off-takes of millions of tons of wild game –mostly mammals – per year. We sequenced four mitochondrial gene fragments (cyt b, COI, 12S, 16S) in >300 bushmeat items representing nine mammalian orders and 59 morphological species from five western and central African countries (G...
Article
Full-text available
Information on elephant ranges and numbers is vital for effective conservation and management, especially in western Africa where elephant populations are small and scattered. The Bia Conservation Area (BCA) in southwestern Ghana is a priority site for the conservation of Forest Elephants in western Africa. A dung count was conducted using a system...
Article
Full-text available
An investigation into the factors that influence crop raiding by forest elephants ( ) around the Kakum Conservation Area (KCA) was carried out during July 2001 to June 2002. The frequency and distribution of crop raiding was assessed by analyzing crop damage report forms on all incursions by elephants into randomly selected sites around the KCA. Th...
Article
Full-text available
An investigation into the nature and extent of human\elephant conflicts in and around the Bia Conservation Area (BCA) was carried out during the 2004 rainy season. This exercise was done through the administration of questionnaires to wildlife staff and local communities as well as actual field measurements of damaged farms. There were 49 elephant...
Article
Full-text available
The diet of elephants in the Kakum Conservation Area, Ghana was studied from July 2001 to June 2002. Elephants ate fruits and other components of 34 plant species. An examination of elephant dung piles yielded fruit fragments representing 29 species, whilst data on fresh feeding signs showed an extra five species of plants, either browsed upon or b...
Article
Full-text available
In February 2004, a dry-season elephant survey was conducted in the Bia Conservation Area in Western Region of Ghana to determine the distribution and abundance of elephants and the human and ecological variables that affect them. Fifty-two 1-kilometre transects were systematically distributed in three strata (high, medium and low density) based on...
Article
Full-text available
The Ankasa and Bia Conservation Areas and the Goaso Forest Block form a significant portion of forest elephant range in western Ghana. This paper reviews historical and recent information on elephant population trends in western Ghana and the factors associated with these trends. We used two methods: 1) monitoring trends in elephant populations usi...
Chapter
Full-text available
Wildlife managers often wish to evaluate the effectiveness of conservation effort by measuring trends in wildlife populations and illegal activity. In western Ghana, the Bia-Goaso Forest Block forms a significant portion of forest elephant range in Ghana. We undertook an analysis of poaching activity and elephant population trends in the Bia Biosph...
Chapter
Full-text available
Forest elephants in Ghana live in small isolated populations and number less than 1000 individuals in total. In western Ghana, the Bia Biosphere Reserve is an isolated area but comprises the largest forest elephant population within the Bia-Goaso Forest Block (BGFB). To ensure their long-term survival, a number of possible forest corridors and shel...