Analysis of Hibernating Habitat of Asiatic Black Bear(Ursus thibetanus ussuricus) based on the Presence-Only Model using MaxEnt and Geographic Information System: A Comparative Study of Habitat for Non-Hibernating Period

Jung, Dae-Ho

doi:10.11108/kagis.2016.19.3.102

Cited by 4 publications

(2 citation statements)

References 9 publications

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“…Generated nine models had excellent predictive performances (AUC > 0.9). These performances are higher than those obtained for spectacled bear models in Bolivia (0.823 and 0.851) [ 28 ], and are equal to or more accurate than those reported for models of other bear species ( Helarctos malayanus [ 18 ], Ursus arctos [ 24 ], Ursus thibetanus ussuricus [ 25 ], Ursus thibetanus gedrosianus [ 27 ], and Ursus thibetanus [ 29 ]).…”

Section: Discussionmentioning

confidence: 58%

“…Among several SDMs, the most accurate maximum entropy model (MaxEnt) is considered as outperform compared to other SDMs in predictive accuracy, with extremely small sample size tolerance [ 21 , 22 ]. Moreover, the use of MaxEnt software is particularly easy to use [ 23 ] and has been widely used in studying habitats of different bear species that can be also used by wildlife officials [ 17 , 18 , 24 , 25 , 26 , 27 , 28 , 29 ].…”

Section: Introductionmentioning

confidence: 99%

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Predictive Modelling of Current and Future Potential Distribution of the Spectacled Bear (Tremarctos ornatus) in Amazonas, Northeast Peru

Mori

Castillo

Guzmán

et al. 2020

Animals

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The spectacled, or Andean, bear (Tremarctos ornatus) is classified as vulnerable by the IUCN due to climate change and human-induced habitat fragmentation. There is an urgent need for the conservation of spectacled bear at real time. However, the lack of knowledge about the distribution of this species is considered as one of the major limitations for decision-making and sustainable conservation. In this study, 92 geo-referenced records of the spectacled bear, 12 environmental variables and the MaxEnt entropy modelling have been used for predictive modelling for the current and future (2050 and 2070) potential distribution of the spectacled bear in Amazonas, northeastern Peru. The areas of “high”, “moderate” and “low” potential habitat under current conditions cover 1.99% (836.22 km2), 14.46% (6081.88 km2) and 20.73% (8718.98 km2) of the Amazon, respectively. “High” potential habitat will increase under all climate change scenarios, while “moderate” and “low” potential habitat, as well as total habitat, will decrease over the time. The “moderate”, “low” and total potential habitat are distributed mainly in Yunga montane forest, combined grasslands/rangelands and secondary vegetation and Yunga altimontane (rain) forest, while “high” potential habitat is also concentrated in the Jalca. The overall outcome showed that the most of the important habitats of the spectacled bear are not part of the protected natural areas of Amazonas, under current as well as under future scenarios.

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Section: Discussionmentioning

confidence: 58%

Section: Introductionmentioning

confidence: 99%

Predictive Modelling of Current and Future Potential Distribution of the Spectacled Bear (Tremarctos ornatus) in Amazonas, Northeast Peru

Mori

Castillo

Guzmán

et al. 2020

Animals

View full text Add to dashboard Cite

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Study of Asiatic Black Bear(<i>Ursus thibetanus ussuricus</i>) Hibernation Day and Temperature Distribution1a

Kim¹,

Jung²,

Kim³

et al. 2019

Korean J. Environ. Ecol.

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Prediction on Habitat Distribution in Mt. Inwang and Mt. An Using Maxent

Seo¹,

Lee²,

Kim³

et al. 2016

Journal of Environmental Impact Assessment

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주요어 : 서식지 파편화, 종 분포, 포유류, 박새류, 목표종Abstract : In this study, we predicted species distributions in Mt. Inwang and Mt. An as preceding research to build ecological corridor by considering connectivity of habitats which have been fragmented in the city. We analyzed species distributions by using Maxent (Maximum Entropy Approach) model with species presence. We used 23 points of mammals and 15 points of Titmouse (Parus major, P. palustris, P. varius) as target species from appearance points of species examined.

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Analysis of Hibernating Habitat of Asiatic Black Bear(Ursus thibetanus ussuricus) based on the Presence-Only Model using MaxEnt and Geographic Information System: A Comparative Study of Habitat for Non-Hibernating Period

Cited by 4 publications

References 9 publications

Predictive Modelling of Current and Future Potential Distribution of the Spectacled Bear (Tremarctos ornatus) in Amazonas, Northeast Peru

Predictive Modelling of Current and Future Potential Distribution of the Spectacled Bear (Tremarctos ornatus) in Amazonas, Northeast Peru

Study of Asiatic Black Bear(<i>Ursus thibetanus ussuricus</i>) Hibernation Day and Temperature Distribution1a

Prediction on Habitat Distribution in Mt. Inwang and Mt. An Using Maxent

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