The effects of anthropogenic activities on the regeneration of flora in duekoué and scio forests in Southwestern Côte D’ivoire
January 2021
The aim of this study is to understand how the crop farms and forest plantations affect the regeneration of local flora. Ten plots of 10 m × 10 m size were established per vegetation type and all DBH categories of vascular plants were inventoried. The richness of adult plants (DBH ≥10 cm) was similar to those of juvenile plants (10 cm > DBH ≥1 cm), which was between 20 and 50 times lower than the richness...
Climate change study in Burkina Faso from 1987 to 2018: An online systematic review for future directions
January 2021
In this paper, we perform a bibliometric analysis of published climate change research in Burkina Faso for the period of 1987 to 2018. More specifically, this article aims at (1) revealing the temporal, and categorical patterns in climate change research; (2) summarizing the global research trends from multiple perspectives; and (3) providing an alternative demonstration of research advancements about climate change...
Species composition, seasonal abundance and distribution of avifauna in Lake Hawassa and part of the Eastern Wetland habitats, Southern Ethiopia
January 2021
This study was carried out in Lake Hawassa, Tikur wuha riverine habitat and Cheleleka wetland from August 2017 to February 2018. The study aims to investigate species composition, seasonal abundance and distribution of birds. Systematic random sampling techniques at an interval of 3 km were used to select sampling blocks. T-test and one way ANOVA were applied for analysis of the effect of season on the composition and...
Communities’ attitudes and perceptions towards the status, use and management of Kapolet Forest Reserve in Kenya
October 2020
Forest communities play a vital role in the conservation of forest resources. Understanding communities’ use, attitudes and perceptions of forests and management measures is significant in attaining conservation goals and reducing forest resource use conflicts. This study sought to assess local community’ forest resources use and their perception towards forest status, use and management. Data was collected...
Analysis of forest cover change in Yabello Forest, Borana Zone, Ethiopia
October 2020
Analyzing trends of land use and the change over time is an effective way for assessing the impact on ecosystem function. A study was conducted to detect forest cover change of Yabello forest between 1986 and 2016. The land use maps of 1986, 1996, 2006 and 2016 were derived from satellite images. The spatial pattern analysis indicated that the Yabello land use/land cover (LULC) is at a dynamic state and forests had...
Dynamics of supply services provided by a protected forest in Côte d'Ivoire
October 2020
The classified forest of Haut-Sassandra (CFHS) located in the Center-West of Côte d'Ivoire was infiltrated by the population for agriculture in the 2000s. This forest, initially devoted to timber production before its degradation, is today a vast cocoa-growing area associated with food crops, mainly plantains. The objective of the present study is to assess the overall production of wood, cocoa, and plantain...
Insights of Legal and illegal wildlife hunting in Selous and Rungwa Game Reserves in the South-East and Central Tanzania
October 2020
There is a lack of consensus among conservationists regarding the association between trophy hunting and wildlife poaching. Anti-hunting groups argue that trophy hunting is against animal welfare and contributes to wildlife population decline so it must be refuted. On the other hand, pro-hunting groups for advocate regulated hunting as an essential tool for supporting habitat protection and reducing crimes. Regulated...
Underfunding, the challenge of federally managed protected areas of Ethiopia
October 2020
This paper presents an analysis of the costs of protected areas (PAs) management in Ethiopia, specifically those managed by the Ethiopian Wildlife Conservation Authority. The authority is managing a network of protected area (PA) systems covering an area of about 29,950 km2. Primary and secondary data were used. A total of 3,045 rangers are required to effectively control illegal activities. The estimated number...
Abundance, distribution and ecological impacts of invasive plant species in Maputo Special Reserve, Mozambique
October 2020
With a few exceptions, comprehensive assessment of invasive plants species (IPSs) list that invade Maputo Special Reserve’s natural ecosystems is lacking. Some available data are either preliminary or localised, or focus on agricultural weeds that leave an ecological gap about IPSs. In order to establish this gap, a study was conducted to asses the impact of IPSs in Maputo Special Reserve. A stratified random...
Impact of cocoa cultivation in the forest-savannah transition zone of western Côte d'Ivoire
October 2020
The mountainous relief of Western Region of Côte d'Ivoire, as well as large savannas bordering the dense semi-deciduous forests, did not make this part of the country an area suitable for cocoa cultivation. However, in search of forest land for cocoa cultivation, a large influx of people has been observed in this area over the last decade. The objective of this study is to assess the impact of human pressure...
Effect of pesticide use on weeds, pollinators and microbial activity in Nzoia Sugar Basin of Western Kenya
October 2020
Diversity of flowering plants, pollinators and microbial activity was assessed in five farms of Nzoia Sugar Company and one outgrower farm in Western Kenya. The overarching study objective was to determine differences in species diversity in the sugar farms using agrochemicals and those not using. To sample flowering plants, transects were laid along sugar farms with quadrats 20 m apart. Sweep nets captured fauna flying...
Typology of cocoa-based agroforestry systems of the semi-deciduous forest zone in Togo (West Africa)
October 2020
In the tropical zone, cocoa-based agroforest systems (CAFS) are considered as a mean to maintain and conserve biodiversiy. In the sub-humid zone of Togo (West Africa), agroforest plant species are key components of the landscape and agricultural lands. Cocoa and coffee agroforest systems contribute directly and indirectly to the livelihoods of an estimated one million people in Togo. Despite this fact, there is only few...
Small mammal community demography and reproductive seasonality under protection, pastoralism and agriculture in the Serengeti Ecosystem, Tanzania
October 2020
This work examined population demography and reproductive seasonality among small mammals under protection, pastoralism and agriculture in the Serengeti Ecosystem in 2017 and 2018. Small mammals were trapped to quantify variation in the proportions of actively breeding individuals, juvenile recruitment and adult sex ratio across land use types and seasons. Breeding peaked in the wet season, reflecting a corresponding...
Community dependency and perceptions of a protected area in a threatened ecoregion of Myanmar
October 2020
Local communities living adjacent to protected areas (PA) play a vital role in biodiversity conservation. Understanding communities’ use and perceptions of a PA will increase its conservation effectiveness through reducing anthropogenic pressures and improving park-people relationship. This study assessed local communities’ dependency on the PA and perceptions of benefits and costs accrued from the PA. Using...
Attitudes of local leaders towards wildlife conservation in village areas in southern Ngorongoro Conservation Area, Karatu District, Tanzania
July 2020
Understanding attitudes of local leaders towards conservation issues in village areas surrounding protected areas is vital for the success of sustainable biodiversity conservation. This is because of the need of designing effective conservation programs outside protected areas and to reduce resource-based conflicts involving local communities and protected areas. Twenty villages in Karatu district located between...
Ethnobotanical study of indigenous knowledge on medicinal plant uses and threatening factors around the Malga District, Southern Ethiopia
July 2020
The study conducted in Malga district in 2019 aimed at documenting indigenous medicinal plants use among the Kebeles community, and the factors threatening local knowledge on medicinal plants before suggesting ways to overcome such threats. A total of 100 informants were selected and snowball sampling techniques were used. Ethnobotanical data were collected using semi-structured interviews, field observations, guided...
Climate variability, biodiversity dynamics and perceptions of local populations in Waza National Park (Far North Region, Cameroon)
July 2020
Climate variability is one of the major ecological challenges of the 21st century in Waza Logone Plain in the Far North region of Cameroon. The physical environment in this area has almost completly deteriorated as a result of declining rainfall and rising temperatures. A study was carried out to understand the dynamics of biodiversity in terms of climate variability in the Waza National Park. This study was based on...
Floristic diversity and stand structural analysis of gallery forests in Ajei highland watershed community forest, North West Cameroon: Implications for forest conservation and management
July 2020
The study was aimed at contributing to sustainable management of Ajei Highlands Watershed Community Forest, one of the vulnerable and highly threatened biological hotspots remaining within the Cameroon western highlands through an analysis of its woody species diversity and stand structure. The results of inventory of its 12 gallery forest patches through 17 permanent sample plots (20 m x 50 m) with multiple spatial...
Potential of Acacia for poverty alleviation in Rorya District-Tanzania
July 2020
Rorya is one of new districts in Tanzania established in 2007. The district is a reflection of typical rural life in Africa South of Sahara where rural communities inhabiting dry woodlands and dependent on natural resources for their sustenance do not consider indigenous tree species as valuable resources of income. The study was conducted in the low lands of Rorya district-Tanzania to assess contribution of wild Acacia...
Communities’ perceptions regarding the impact of Hoima-Tanga crude oil pipeline on the loss of biodiversity in Swagaswaga Game Reserve, Tanzania
July 2020
This study was conducted to evaluate perceptions of communities surrounding the Swagaswaga Game Reserve regarding the impact of the proposed Hoima-Tanga crude oil pipeline on biodiversity loss. The pipeline will transect the game reserve and some of the neighbouring villages. The study involved 156 randomly selected respondents from four purposefully selected villages located at 0 to 10 km and 11 to 20 km from the game...
Daily activity patterns and relative abundance of medium and large mammals in a communal natural protected area on the central coast of Oaxaca, Mexico
July 2020
Anthropogenic disturbances cause direct and indirect effects on the global decline in biodiversity. For better planning strategies on the conservation of medium and large mammals in Oaxaca, we present an analysis of daily activity patterns of medium and large mammals and their relative abundance in a Communal Natural Protected Area (CNPA) on the central coast of Oaxaca, Mexico. Sampling was carried out between November...
Efficiencies of three insect collection methods in Lamto, Côte d’Ivoire
July 2020
Insects are of ecological and economic importance. This study was carried out to compare the efficiency of the three main insect sampling methods namely, sweep net, hand sampling and the light trap and also to show the biodiversity distribution from Lamto habitats for good biological conservation. A total of 379 individuals belonging to 9 orders were collected. Significantly, more individuals were collected by sweeping...
An appraisal of ecotourism's impact on biodiversity conservation: The case of Campo Ma'an National Park, Cameroon
April 2020
Ecotourism is often perceived as a strategy for sustainable biodiversity conservation for protected areas. In Cameroon, there is dearth of information on the impacts of ecotourism on biodiversity conservation of protected areas. The main thrust of this study is to examine local population's perceptions of the impact of ecotourism on biodiversity conservation in and around the Campo Ma'an National Park (CMNP)....
Poor regeneration of Brown Oak (Quercus semecarpifolia Sm.) in high altitudes: A case study from Tungnath, Western Himalaya
April 2020
This study was carried out in the timberline zone of Tungnath, Chopta region of the Chamoli District in India at eight altitudinal zones from 2,500 to 3,200 m, where the regeneration of Brown Oak was found to be very low. The data were obtained during the rainy season (August-September, 2016) by making counts of mature trees, saplings and seedlings in survey plots (50 × 50 m) at each of the eight altitudes. The...
Polymorphism of Cyclops abyssorum mauritaniae (Copepoda, Cyclopoidae) collected from Algeria water bodies
April 2020
Three morphotypes A, B and C were isolated after description of Cyclops abyssorum mauritaniae populations obtained from 46 Algerian water bodies. These are described based on their morphometric characters. Morphotype A found in six localities characterized the east of Algeria, morphotype B was collected in the west of Algeria, while morphotype C was collected in High Mountain in the North. After dissection of certain...
Assessment of impact of ecological elevation on grass species’ diversity in Yabello Rangeland, Southern Ethiopia
April 2020
Elevation has great impact on species’ diversity; it creates ecologically diverse vegetation. Studying species’ richness patterns at different scales is very important both for ecological explanations and effective conservation design. In this study, grass vegetation data were collected using systematic sampling methods. 18 transects and 54 quadrants were laid, with 6 transects and 18 quadrants from each...
Ingestion of plastic debris affects feeding intensity in the rocky shore crab Pachygrapsus transversus Gibbes 1850 (Brachyura: Grapsidae)
April 2020
The aim of this study was to investigate the plastic consumption by the rocky shore crab Pachygrapsus transversus and its effects in the species feeding activity. Specimens were collected monthly from August 2019 to January 2020 in a coral reef located in the north-eastern Brazilian coast, taken to the research laboratory, where they had their stomach removed, degree of fullness determined for each stomach and...
Floristic assessment of semi evergreen forests of a peripheral site in Hadagarh Sanctuary, Odisha, India
April 2020
Phytosociological study was carried out in the outer periphery region of Hadagarh Wildlife Sanctuary, Odisha, India. An attempt has been made to find out the characteristics of the vegetation community of the forests of the sanctuary. Analysis of the vegetation was done following the standard ecological methods widely adopted for such studies (quadrat method). A total of 68 plant species from 30 families were documented...
Tree community structure and recruitment dynamics in savanna woodlands
January 2020
Climate, fire and herbivory rank among the key factors and processes shaping savanna woodland community composition and diversity. We analyzed recruitment dynamics, community biomass, diversity, stability and composition and their relationships with rainfall fluctuations and herbivory in a savanna woodland community in the Masai Mara National Reserve of Kenya. Seedling and sapling recruitment varied differentially...
Assessment of avifaunal assemblage and their distribution pattern across different habitat types of Gibe Sheleko National Park, South-western Ethiopia
January 2020
This study was conducted in Gibe Sheleko National Park from March to August 2015 covering wet and dry seasons. Sampling sites were taken based on the habitat characteristics and a transect line of 1 or less km with a distance of 250 to 300 m in between the transect lines was taken in the woodland habitat and point count was used in the riverine forest habitat. A total of 116 bird species consisting of 2 endemics to both...
Analysis of socio-economic contribution of agroforestry systems to smallholder farmers around Jimma town, Southwestern Ethiopia
January 2020
Integration of trees into land use practices is an old-aged experience of smallholder farmers in Southwest Ethiopia. The contribution of this practice is much undermined. The objective of this study was to assess socio-economic contributions of agroforestry system to smallholder farmers around Jimma town, Southwest Ethiopia. A total of 199 households were proportionally sampled from the three selected sites (Mazora,...
Woody fodder species in three agro-ecological Parklands of Arba Minch Zuria Woreda, Gamo Gofa Zone, Southern Ethiopia
January 2020
This study was conducted in Arba Minch Zuria Woreda of SNNPR, Ethiopia on Parkland agroforestry practices in three agro-ecological zones. The objective of the study was to investigate the fodder tree and shrub species composition, richness, diversity and structure. Key Informant Interviews and Focus Group Discussions were held. In total, ninety 50 m × 20 m plots were laid and standard procedures were followed....
Wild potatoes of series Circaeifolia (Solanun section Petota) in the Bolivian Andean region, a new evaluation of its distribution
January 2020
The Circaeifolia series species are only from Bolivia. They are species that have particular morphological characteristics different from any other within the Petota section. The taxa of the series Circaeifolia, Solanum circaeifolim, Solanum capsicibaccatum and Solanum soestii (recently grouped as Solanum stipuloideum Rusby) have been distinguished by morphological characteristics and molecular analysis, however, they...
Forest structure and carbon stocks of Osun-Osogbo Sacred Grove, Nigeria
January 2020
Forest trees and soil are considered for climate change mitigation. Forest structure of the grove is required to predict its capacity to mitigate climate change. Therefore, the objective of this study was to determine the forest structure and carbon stocks of Osun-Osogbo Sacred grove. Five (30 × 30 m2) plots were demarcated in Old-growth forest (OF) and Re-growth forest (RF). Trees with ≥10 cm...
Biological diversity of agroforestry species in the socioeconomic context of producers in the Barh-kôh Department, Southern Chad: Case of Kissimi, Mayelé and Badara villages
January 2020
This study aims to better understand the woody biodiversity and the relationship between the state of tree cover in the Agroforestry Park and the management units, and also to know the socio-economic role played by the trees of the parks. The study was conducted in 3 villages in Barh-kôh Department, Chad, between May and November 2018. A plot of 2500 m2 has been materialized in each management unit and the species...
Woody species diversity, structure and biomass carbon of parkland agroforestry practices in Gindeberet District, West Shoa Zone, Oromia Regional State, Ethiopia
January 2020
Parkland agroforestry woody species are prominent features in many landscapes worldwide, and their ecological, social and economic importance is widely acknowledged. It is the traditional agroforestry systems from different countries and is almost a universal occurrence in Ethiopia. This study was conducted in Gindeberet District, West Shoa Zone, Oromia Regional State, Ethiopia to assess the parkland agroforestry woody...
Floristic composition, vegetation structure and regeneration status of Wabero forest, Oromia Regional State, Southeastern Ethiopia
October 2019
Wabero forest is one of the very few remnant moist evergreen montane forests in Southeast Ethiopia. However, basic data on vegetation structure and composition of the forest that could provide valuable information for possible conservation measures is lacking. The main objective of this study, therefore, was to investigate the woody species composition, vegetation structure and regeneration status of the forest. In the...
Structure and regeneration of Parkia biglobosa (Jacq.) R. Br Ex G Don in Mount Mandara, Cameroon
October 2019
A study was carried out in the Mount Mandara area to assess the populations and renewal status of Parkia biglobosa, a multi-purpose species. The study was aimed at contributing to the sustainable management of this resource. Transect methods were used to count individuals of P. biglobosa in fields. Results showed that the density of P. biglobosa was 7 individuals ha-1. The basal area of P. biglobosa individuals varied...
Moisture requirements for Pinus sylvestris seeds: Variation in germination among provenances from different elevations
October 2019
Patterns of climatic variables are likely to change significantly in the coming century, with important but poorly-understood consequences for plant communities. This experiment determined how seeds of P. sylvestris collected from different elevations in two geographical regions performed when placed in simulated moisture stress conditions. Eight provenances from two regions (Norway and France) were chilled for zero and...
Current distribution, regeneration and management practice of Hagenia abyssinica in different agroforestry systems of Ethiopia: A review
October 2019
Hagenia abyssinica is a multipurpose tree, which is sparsely distributed in the highland of Ethiopia. It is used for illness remedy, furniture, fuel, and as a soil additive. This review provides information on the present status and management practice of H. abyssinica in Ethiopia to give urgency care other than that given to introduced species for future conservation. The foliage and flowers have a higher quality of N...
Do internal roadways influence tree diversity and density in a reserve forest? - A reality check at BRT Tiger Reserve, Karnataka, India
October 2019
Roadways are inevitable components in any human managed landscape across the world, with the sole objective to facilitate transportation. Reserve forests are not an exception to this situation. A roadway being a potential factor in influencing biodiversity, this study checks the possibility of relationship between the distance of tree communities from roads and the basic characteristics (diversity and density) of the...
Species-based approach to biodiversity conservation: An innovative step in Madagascar
October 2019
Known for its diversity and high endemicity, half of Madagascar's floral richness is sheltered in the Island's eastern evergreen dense rainforest; including key, threatened and socio-economically valuable species. The vulnerability of such habitat, combined with overexploitation of timber, threatens the livelihoods of forest communities and conservation of biological diversity. Up till date, the main actions...
Diversity and relative abundance of birds in Loka Abaya National Park, Sidama Zone, Southern Ethiopia
August 2019
Understanding avian diversity and abundance is important for its conservation in a protected area. A study was conducted to investigate species diversity and relative abundance of birds in Loka Abaya National Park, Sidama Zone, Southern Ethiopia, between August 2017and February 2018 during wet and dry seasons. Based on satellite image and preliminary survey, the study area was stratified into riverine forest, wooded...
Human-wildlife conflict around Midre-Kebid Abo Monastry, Gurage Zone, Southwest Ethiopia
August 2019
This human-wildlife conflict study was carried out around Midre-Kebid Abo Monastry. A descriptive survey design method was used and both qualitative and quantitative data were collected using questionnaires. Field experiment was carried out on two selected crops - maize and enset, to estimate crop damage by wild animals. Resource competition (46%), increased wildlife population (42.5%) and livestock populations (11.5%)...
Typology of coffee-based agroforestry systems in the semi-deciduous forest zone of Togo (West Africa)
July 2019
This study contributes to the knowledge of the variants of coffee-based agroforestry systems (CAFS) of the semi-deciduous forest zone of Togo. To achieve this, forest, floristic and ecological data were collected in 163 random plots of 25 m × 25 m (625 m²), to analyze the typology of the CAFS and their characteristics across the study area. In the 10.1875 ha surveyed, results showed a total of 2510 stems of...
Threats and their relative severity and driving forces in the African Elephant range wildlife protected areas of Ethiopia
July 2019
Anthropogenic threats to five wildlife protected areas (PAs) in Ethiopia: Omo, Mago, Chebera Churchura and Kafta Sheraro National Parks, and Babille Elephant Sanctuary were studied. The study specific objectives were to: (i) establish the relative severity of threat factors to the PAs and susceptibility of the PAs; (ii) explore underlying causes of the threats; and, (iii) identify appropriate threat mitigation measures....
Extended distribution of testate amoebae (Protozoa: Rhizopoda) to Indian fauna from Sangla Valley, Himachal Pradesh, India
July 2019
Testate amoebae are a group of free-living heterotrophic protists that have an organic shell or test and play a very good role as bioindicators in the ecological monitoring of environment. Inspite of the importance the percentage contribution of free living protozoans recorded from the Himalayan landscape is only about 12% of the total free living protozoans of India. This portrays a meagre diversity of species from...
Farmers’ perceptions of the effectiveness of strategies for managing wildlife crop depredation in Ghana
June 2019
Wildlife crop depredation represents a serious human-wildlife conflict around protected areas globally. It undermines farming livelihoods and local support for long-term conservation. Though studies have focused on different aspects such as the economics, spatiotemporal and vulnerability of farms to crop depredation, little attention has been given to the farmers’ evaluation of the effectiveness of the strategies...
Species’ composition and relative abundance of Lakeshore bird species around Lake Hawassa, Ethiopia
June 2019
Ecological investigation of species diversity and relative abundance of birds was conducted from January to September 2017 at the shoreline of Lake Hawassa, SNNPR, Ethiopia. Three habitats namely-Tikurwuha wetland, Human settlement and Farmland were identified for the study. A total of 60 bird species under 14 orders and 37 families were identified. In general, 2720 individuals of 81 species of birds were recorded...
Diversity and floristic composition of rural and sub-urban home garden in Wadera district of Oromia region, Ethiopia
May 2019
This study was conducted in Wadera district of Oromia region in Ethiopia, with the objective of quantifying the diversity and floristic composition of home garden agroforestry systems. A stratified random sampling design was used to select 132 sample home gardens and a detailed inspection was conducted on diversity and floristic composition of the plant species using the Shannon-Wiener diversity index and Pielou’s...
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