A Survey of large and medium-sized mammals in Wabe forest fragments, Gurage zone, Ethiopia

Legese, Kabeta; Bekele, Afework; Kiros, Seyoum

doi:10.15406/ijawb.2018.04.00149

Cited by 11 publications

(15 citation statements)

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“…This result presents the large patches become qualitative than a small patch in the landscape. Same argument and result were found in the work of (Legese, Bekele, & Kiros, 2019) in Gurage zone, Ethiopia and (Campos, Charters, & Verdade, 2018) in south eastern Brazil. But in case of forest patch shape complexity or irregularity in RFR, the relation is found positive to patch area ( Figure 6).…”

Section: Resultssupporting

confidence: 82%

“…It means larger forest patches have more shape complexity. Larger more complex patch ecologically become threatened (Mohandass, Hughes, Campbell, & Davidar, 2014) because it holds the maximum population (Legese et al, 2019) and creates more edge contrast. Therefore, four large patches (Figure 7) in RFR are considered for further specific analysis.…”

Section: Resultsmentioning

confidence: 99%

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Spatial alteration of fragmented forest landscape for improving structural quality of habitat: a case study from Radhanagar Forest Range, Bankura District, West Bengal, India

Mandal

Chatterjee

2020

Geology, Ecology, and Landscapes

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Anthropogenic pressures create a complex pattern of forest habitat shape structure in Radhanagar Forest Range (RFR) in Bankura district. Habitat landscape design controls existing bio-geographical process. High fragmented and more complex habitat make imbalance in ecological process in the study area. Therefore, a measure is very urgent to control fragmentation process. Spatial alteration is one of the best methods to improve habitat quality which reduces habitat shape complexity. Fragmentation and structural composition of habitat will be understood through the interpretation of several geometric indices like perimeter area ratio (PAR), shape index (SI), and fractal dimension (FD). These indices are used to know the nature of habitat fragmentation in Radhanagar Forest range. The main objective of the study is to reduce habitat shape complexity by spatial alteration. Therefore, two types of map, one is existing forest land cover and another is selected areas altered forest land cover of Radhanagar Forest Range are prepared using ERDAS 9.3 and ArcGIS 10.3 version software. Then these maps are analyzed through FragStat 4.2 version software to get above mentioned indices. The study compares the indices values to know the structural quality of forest shape from both maps. The comparison address that altered forest habitat structural quality is better than existing forest landscape habitat quality. Therefore, landuse alteration in a forest matrix is obviously area specific in respect of its shape structure. ARTICLE HISTORY

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Section: Resultssupporting

confidence: 82%

Section: Resultsmentioning

confidence: 99%

Spatial alteration of fragmented forest landscape for improving structural quality of habitat: a case study from Radhanagar Forest Range, Bankura District, West Bengal, India

Mandal

Chatterjee

2020

Geology, Ecology, and Landscapes

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“…The second most abundant in the study area and the highest abundant within the riverine forest was C. aethiops . Similarly, Legese et al () reported that this species was abundant in riverine forests. This might account for the presence of dense riparian vegetation which enables the species to shelter with and easily accesses the product of the trees such as fruits.…”

Section: Discussionmentioning

confidence: 78%

“…A survey was conducted for seven consecutive days when the activities of mammals were more active: early morning from 6:00 to 10:00 and from 16:00 to 19:00 (Legese et al, ). During data collection, the observers were walking on foot along the line transect established and directly count all the individuals sighted with their respective species using unaided eyes and binocular.…”

Section: Methodsmentioning

confidence: 99%

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A preliminary survey of medium and large‐sized mammals from Lebu Natural Protected Forest, Southwest Showa, Ethiopia

Qufa

Bekele

2019

Ecology and Evolution

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This study was conducted to determine the species composition and diversity of medium and large‐sized mammals from Lebu Natural Protected Forest, Ethiopia. Surveys were conducted to record mammals through direct observation and indirect evidence from three habitat types, namely: natural forest, bushland, and riverine forest. A total of 15 mammalian species were recorded. The species recorded were Papio anubis, Chlorocebus aethiops, Tragelaphus scriptus, Canis aureus, Crocuta crocuta, Panthera pardus, Procavia capensis, Colobus guereza, Sylvicapra grimmia, Orycteropus afer, Helogale parvula, Hystrix cristata, Lepus fagani, Potamochoerus larvatus, and Phacochoeus africanus. A total of 223 records of observations were compiled. About 74% of these records (N = 167) were obtained from direct sight, whereas the rest was recorded through indirect evidence. The dominant order recorded was order Primates (57.4%) followed by order Artiodactyla (17.5%) while the least record was order Lagomorpha (1.34%). The species richness varied across the stratified habitat types. However, there is no significant difference in Shannon–Wiener Index values between the habitat types. The species diversity of the study area was H′ = 2.119. The present study area is of great potential area for the conservation of the species. Long‐term detailed studies should be carried out for effective conservation and management initiatives in the study area.

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Diversity and habitat association of medium and large mammals in Gibe Sheleko National Park, Southern Ethiopia

Abie

Tilahun

Feyisa

et al. 2021

Ecology and Evolution

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Complete documentation on the status of mammals is indispensable for appropriate conservation measures in protected areas. However, there is inadequate information on mammalian resources in the ecosystem of Gibe Sheleko National Park (GSNP). Thus, the study aimed to assess species diversity, abundance, and habitat association of medium‐ and large‐sized mammals in GSNP. We stratified the study area into five dominant habitat types, namely dense forest, wooded grassland, grassland, riverine forest, and farmland habitat types based on land cover and vegetation structures and further employed stratified random sampling technique across each habitat type. The sample transects covered 20% of the study area. Transect width ranged from 50 m to 400 m based on vegetation cover and visibility of mammals. The main data were collected via direct observation. Data were analyzed via chi‐square test and species diversity indexes. We recorded the total of 20 mammals species' those belong to 10 families of which 8 species were large‐sized and 12 species medium‐sized mammals. There were two IUCN vulnerable species, namely Hippopotamus amphibious and Panthera pardus, and two globally near‐threatened species, particularly Litocranius walleri and Caracal caracal in the study area. Dense forest held the highest species diversity of medium‐ and large‐sized mammals (H′ = 2.28) with the highest evenness index (J = 0.84). Riverine forest had the least diversity with uneven population distribution. Papio anubis was the most abundance species, whereas Caracal caracal was the least abundant in the study area. GSNP is home for threatened and spectacular mammals species'; hence, an appropriate conservation measure is mandatory to keep existing mammals species'.

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A Survey of large and medium-sized mammals in Wabe forest fragments, Gurage zone, Ethiopia

Cited by 11 publications

References 0 publications

Spatial alteration of fragmented forest landscape for improving structural quality of habitat: a case study from Radhanagar Forest Range, Bankura District, West Bengal, India

Spatial alteration of fragmented forest landscape for improving structural quality of habitat: a case study from Radhanagar Forest Range, Bankura District, West Bengal, India

A preliminary survey of medium and large‐sized mammals from Lebu Natural Protected Forest, Southwest Showa, Ethiopia

Diversity and habitat association of medium and large mammals in Gibe Sheleko National Park, Southern Ethiopia

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