Dynamic occupancy modeling of a cryptic ground-dwelling pheasant species in the Upper Blue Nile Basin in Ethiopia DOI Creative Commons
Abadi Mehari Abrha, Kai Gedeon, Lars Podsiadłowski

et al.

Global Ecology and Conservation, Journal Year: 2023, Volume and Issue: 48, P. e02710 - e02710

Published: Nov. 4, 2023

Modeling the occupancy of species in context habitat components is a crucial step to deliver an appropriate conservation strategy. Accounting for imperfect detection models helps conclude on true distribution and occupancy. We used dynamic modeling investigate influence covariates dynamics Near Threatened Harwood's Francolin (Pternistis harwoodi) Upper Blue Nile Basin Ethiopia. direct observation playback technique collect presence/absence data both during wet dry season 2019 2020. By accounting species' detection, model averaged estimates probabilities (mean ± SE) across respective seasons were 0.81 0.08 0.79 0.07 0.47 0.62 0.06. The colonization local extinction probability between 0.59 0.20 0.12 0.07, respectively. demonstrate that significantly decreased with increasing Normalized Difference Vegetation Index (NDVI: ꞵmean SE = -1.83 0.66; 95% CI: -3.12, -0.54) quadratic term slope (SL2= -1.51 0.62; -2.73, -0.29) study area. Furthermore, human disturbance index (HDI: -1.06 0.54; -2.12, -0.004) negatively influenced species. As we hypothesized, increased as function average temperature (0.37 0.13; 0.12, 0.63). There no statistically significant associations among parameters, yet important such NDVI slightly colonization, whereas HDI positively extinction. aversion towards its persistence at lower slopes has implications strategy current demonstrates empirical evidence cryptic ground-dwelling pheasant Basin. Further recommended understand spatiotemporal species-habitat association fine landscape scales.

Language: Английский

Modeling habitat suitability for the lesser‐known populations of endangered mountain nyala (Tragelaphus buxtoni) in the Arsi and Ahmar Mountains, Ethiopia DOI Creative Commons
Ejigu Alemayehu Worku, Paul Evangelista,

Anagaw Atickem

et al.

Ecology and Evolution, Journal Year: 2024, Volume and Issue: 14(4)

Published: April 1, 2024

Habitat suitability models have become a valuable tool for wildlife conservation and management, are frequently used to better understand the range habitat requirements of rare endangered species. In this study, we employed two modeling techniques, namely Boosted Regression Tree (BRT) Maximum Entropy (Maxent) models, identify potential suitable habitats mountain nyala (

Language: Английский

Citations

3
Endemic plant species and threats to their sustainability in Ethiopia: A systematic review DOI Creative Commons
Tesfaye Wasihun Abro, Anteneh Belayneh Desta, Ermias Debie

et al.

Trees Forests and People, Journal Year: 2024, Volume and Issue: 17, P. 100634 - 100634

Published: July 24, 2024

Ethiopia is located in the center of biodiversity hotspots for Horn Africa and Eastern Afro-montane regions, home to numerous endemic plant species. However, due habitat disturbances, many species are severely threatened by conservation problems, resulting loss. This review aimed describe IUCN Red List vulnerable (VU), near (NT), endangered (EN), critically (CR) species, as well threats that they confront protected areas Ethiopia. The study identified 88 158 were classified VU, NT, EN, or CR on red list. Out all reviewed articles, twelve (36.4 %) reported floral diversity. main Afromontane forests southwest livestock grazing (64.2 %), fuelwood timber production (50.0 cropland expansion (35.7 %). Conversely, threat plants climate change-induced land conversion Afro-alpine ecosystems southern (Bale Mountain National Park) northern (Semien Park Abune Yosef Range) regions. In belt Ethiopia, there a substantial such Lobelia rhynchopetalum degradation coupled with change. this respect, planning narrow-range hotspot like, Bale Park, Semien Range should be started promptly. Future research necessary fully understand condition 51.4 % because not evaluated using Moreover, those under their regeneration status, which limits our comprehension sustainability prospects.

Language: Английский

Citations

3
GIS and remote sensing-based wildlife habitat suitability analysis for mountain nyala (Tragelaphus buxtoni) species mapping at Bale Mountains National Park, Ethiopia DOI Creative Commons
Mamush Masha,

Gemechu Tadila,

Elias Bojago

et al.

Quaternary Science Advances, Journal Year: 2024, Volume and Issue: 16, P. 100251 - 100251

Published: Oct. 22, 2024

Language: Английский

Citations

0
Macroinvertebrate diversity as an indicator of ecological health and water quality in Northern Algeria DOI Creative Commons

I. Hamza-Smatti,

Dounia Keddari, A. Sebbih

et al.

Biosystems Diversity, Journal Year: 2024, Volume and Issue: 32(4)

Published: Dec. 2, 2024

This s tudy aims to investigate the spatial and temporal variation of macroinvertebrate communities their relationship with environmental factors in rivers Chrea National Park, northern Algeria. Analysis spatio-temporal physico-chemical parameters revealed no significant differences temperature between stations. However, highly were observed for pH, conductivity dissolved oxygen. Over a four-month period, total 19,737 individuals sampled at four Macroinvertebrate diversity was highest Djir Merdja Rivers, Diptera dominating community composition most species richness evenness significantly lower Tamesguida River, suggesting greater degradation this region. The logarithmic curve rank frequency diagrams shows that Rivers have higher initial abundances than Mouzaia. Index results indices show high biodiversity Djir, Mouzaia while River has much values, indicating more marked dominance certain species. Shannon-Wiener index reaches its maximum (2.75) minimum (0.87). Standardized global biological index,the Pielou Simpson follow similar trend, showing balanced distribution less Tamesguida. Margalef confirms compared other stations.The indicate stations, pronounced

Language: Английский

Citations

0
Dynamic occupancy modeling of a cryptic ground-dwelling pheasant species in the Upper Blue Nile Basin in Ethiopia DOI Creative Commons
Abadi Mehari Abrha, Kai Gedeon, Lars Podsiadłowski

et al.

Global Ecology and Conservation, Journal Year: 2023, Volume and Issue: 48, P. e02710 - e02710

Published: Nov. 4, 2023

Modeling the occupancy of species in context habitat components is a crucial step to deliver an appropriate conservation strategy. Accounting for imperfect detection models helps conclude on true distribution and occupancy. We used dynamic modeling investigate influence covariates dynamics Near Threatened Harwood's Francolin (Pternistis harwoodi) Upper Blue Nile Basin Ethiopia. direct observation playback technique collect presence/absence data both during wet dry season 2019 2020. By accounting species' detection, model averaged estimates probabilities (mean ± SE) across respective seasons were 0.81 0.08 0.79 0.07 0.47 0.62 0.06. The colonization local extinction probability between 0.59 0.20 0.12 0.07, respectively. demonstrate that significantly decreased with increasing Normalized Difference Vegetation Index (NDVI: ꞵmean SE = -1.83 0.66; 95% CI: -3.12, -0.54) quadratic term slope (SL2= -1.51 0.62; -2.73, -0.29) study area. Furthermore, human disturbance index (HDI: -1.06 0.54; -2.12, -0.004) negatively influenced species. As we hypothesized, increased as function average temperature (0.37 0.13; 0.12, 0.63). There no statistically significant associations among parameters, yet important such NDVI slightly colonization, whereas HDI positively extinction. aversion towards its persistence at lower slopes has implications strategy current demonstrates empirical evidence cryptic ground-dwelling pheasant Basin. Further recommended understand spatiotemporal species-habitat association fine landscape scales.

Language: Английский

Citations

0