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Article ; Online: The dominant species of herpetofauna in the coal mining area at East Kalimantan, Indonesia

TEGUH MUSLIM / ULFAH KARMILA SARI / ISHAK YASSIR

Biodiversitas, Vol 18, Iss 2, Pp 773-

2017 Volume 779

Abstract: Muslim T, Sari UK, Yassir I. 2017. The dominant species of herpetofauna in the coal mining area at East Kalimantan, Indonesia. Biodiversitas 18: 773-779. Changing of habitat condition influences the variety of species including Herpetofauna. Herpetofauna ...

Abstract	Muslim T, Sari UK, Yassir I. 2017. The dominant species of herpetofauna in the coal mining area at East Kalimantan, Indonesia. Biodiversitas 18: 773-779. Changing of habitat condition influences the variety of species including Herpetofauna. Herpetofauna is one of the components in the ecosystem that plays an important role, both from the ecological and economical aspect. From the ecological aspect, it has a specific role in the food chain, and it can also be used as a bio-indicator of the environmentâ€™s condition. Furthermore, herpetofauna found in reclamation area of coal mining not only stabilizes the ecosystem in the food chain, but also it can be used as a bioindicator of environment changes and the success rate of reclamation. The aim of this research was to find out the community of herpetofauna comprising and dominating the coal mining reclamation area, especially the wet and dry areas. The research location was located at PT. Singlurus Pratama Kalimantan Timur. The methods used in this research were visual encounter survey and patch sampling. This research found 10 species from 5 families of reptiles and 11 species from 6 families of amphibians. The highest dominant index score for reptile was 0.71, found in the fragmented forests. Meanwhile, the dominant reptile species were Eutropis multifasciata (20 individuals), Enhydris enhydris (4 individuals), and Dendrelaphis pictus (4 individuals). The highest dominant index score for amphibian was 1, found in the settling pond. Moreover, the dominant amphibian species were Polypedates leucomystax (42 individuals) and Fejervarya cancrivora (41 individuals). These two species were the ones able to survive in the degraded areas and they were easily found in the areas with disrupted habitats.
Keywords	coal mining ; dominant species ; herpetofauna ; microhabitat ; wet area ; Biology (General) ; QH301-705.5
Subject code	590
Language	English
Publishing date	2017-04-01T00:00:00Z
Publisher	MBI & UNS Solo
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: The Development of Feeding Competence in Rehabilitant Orphaned Orangutans and How to Measure It

Signe Preuschoft / Andrew J. Marshall / Lorna Scott / Siti Nur Badriyah / Melki Deus T. Purba / Erma Yuliani / Paloma Corbi / Ishak Yassir / M. Ari Wibawanto / Elfriede Kalcher-Sommersguter

Animals, Vol 13, Iss 2111, p

2023 Volume 2111

Abstract: For critically endangered species, restorative conservation becomes increasingly important. Successful re-introduction of rescued wild orangutan orphans requires rehabilitation mimicking maternal rearing in the wild. Feeding competence—what to eat, where ...

Abstract	For critically endangered species, restorative conservation becomes increasingly important. Successful re-introduction of rescued wild orangutan orphans requires rehabilitation mimicking maternal rearing in the wild. Feeding competence—what to eat, where and when to find food—needs to be learned before re-introduction. We observed seven orphans (2–10 years old) for a period of 3 years during their rehabilitation at the Yayasan Jejak Pulang forest school. Of the 111 plant genera eaten by the orphans, 92 percent were known orangutan food plants. Five plant genera were eaten by all orphans in over 90 percent of the months within the observation period. The Fruit Availability Index (FAI) was used to predict which parts of a plant were consumed by the orphans. We found that the orphans ate primarily fruit when the FAI was high, but consumed more young leaves, cambium, and pith when FAI was low. Thus, the orphans exhibited food choices very similar to mature wild orangutans and appropriate to forest productivity. The orphans’ acquisition of feeding competence was facilitated by their immersion into a natural forest environment in combination with possibilities for observational learning from conspecifics as well as caregivers modelling food processing and consumption.
Keywords	rehabilitation ; re-introduction ; orangutan ; feeding ecology ; learning ; Veterinary medicine ; SF600-1100 ; Zoology ; QL1-991
Subject code	590
Language	English
Publishing date	2023-06-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: The dominant species of herpetofauna in the coal mining area at East Kalimantan, Indonesia

TEGUH MUSLIM / ULFAH KARMILA SARI / ISHAK YASSIR

Biodiversitas. 2017 Apr., v. 18, no. 2

2017

Abstract	Muslim T, Sari UK, Yassir I. 2017. The dominant species of herpetofauna in the coal mining area at East Kalimantan, Indonesia. Biodiversitas 18: 773-779. Changing of habitat condition influences the variety of species including Herpetofauna. Herpetofauna is one of the components in the ecosystem that plays an important role, both from the ecological and economical aspect. From the ecological aspect, it has a specific role in the food chain, and it can also be used as a bio-indicator of the environmentâ€™s condition. Furthermore, herpetofauna found in reclamation area of coal mining not only stabilizes the ecosystem in the food chain, but also it can be used as a bioindicator of environment changes and the success rate of reclamation. The aim of this research was to find out the community of herpetofauna comprising and dominating the coal mining reclamation area, especially the wet and dry areas. The research location was located at PT. Singlurus Pratama Kalimantan Timur. The methods used in this research were visual encounter survey and patch sampling. This research found 10 species from 5 families of reptiles and 11 species from 6 families of amphibians. The highest dominant index score for reptile was 0.71, found in the fragmented forests. Meanwhile, the dominant reptile species were Eutropis multifasciata (20 individuals), Enhydris enhydris (4 individuals), and Dendrelaphis pictus (4 individuals). The highest dominant index score for amphibian was 1, found in the settling pond. Moreover, the dominant amphibian species were Polypedates leucomystax (42 individuals) and Fejervarya cancrivora (41 individuals). These two species were the ones able to survive in the degraded areas and they were easily found in the areas with disrupted habitats.
Keywords	Borneo ; Dendrelaphis ; Fejervarya ; Muslims ; Polypedates ; amphibians ; coal ; dominant species ; ecosystems ; food chain ; habitats ; herpetofauna ; reptiles ; surveys ; Indonesia
Language	English
Dates of publication	2017-04
Size	p. 773-779.
Publishing place	MBI & UNS Solo
Document type	Article
ZDB-ID	2660049-3
ISSN	2085-4722
ISSN	2085-4722
DOI	10.13057/biodiv/d180250
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Vegetation Structure, Composition, and Soil Properties of Dry Land on Islands in Balikpapan Bay, East Kalimantan

Tri Sayektiningsih / Bina Swasta Sitepu / Ishak Yassir / Ulfah Karmila Sari / Mukhlisi Mukhlisi / Amir Ma'ruf

Jurnal Biodjati, Vol 5, Iss 2, Pp 199-

2020 Volume 213

Abstract: Some small islands in Balikpapan Bay consist of dry land which may have different vegetation structure and composition. Our study was the first to uncover vegetation conditions and soil proper-ties of dry land on small islands in Balikpapan Bay, which ... ...

Abstract	Some small islands in Balikpapan Bay consist of dry land which may have different vegetation structure and composition. Our study was the first to uncover vegetation conditions and soil proper-ties of dry land on small islands in Balikpapan Bay, which has never been conducted before. The research was carried out on Kalawasan and Karantina islands. Information on vegetation was obtained by applying a line transect method. Data on soil properties were col-lected by setting up 3 sampling plots in each transect of vegetation. Parameters used for analysing vegetation including relative densi-ty, relative frequency, relative dominance, Shannon-Wiener diversi-ty index, evenness index, and similarity index. Meanwhile, data on soils were analysed descriptively. Trees on Kalawasan island were comprised of 241 individuals belonging to 21 species. There were 61 individuals (22 species) of trees on Karantina island. The diver-sity index of trees on Kalawasan and Karantina island was 2.55 and 2.72, respectively. The tree evenness index was 0.84 on Kalawasan island and 0.88 on Karantina island. The index of similarity for trees between the two islands was 0.21. Furthermore, the soil character-istics on Kalawasan and Karantina islands showed similarities. In general, soil in Kalawasan and Karantina islands could be catego-rised as marginal soil which was common in East Kalimantan. Con-sidering the rapid loss of tropical forests in the mainland of Kali-mantan indicates that the small islands of Balikpapan Bay play an important role in future biodiversity conservation in East Kalimantan.
Keywords	balikpapab bay ; vegetation ; soil ; dry land ; east kalimantan ; Biology (General) ; QH301-705.5
Language	English
Publishing date	2020-11-01T00:00:00Z
Publisher	UIN Sunan Gunung Djati
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Learning to Be an Orangutan—Implications of Life History for Orangutan Rehabilitation

Signe Preuschoft / Ishak Yassir / Asti Iryanti Putri / Nur Aoliya / Erma Yuliani / Siti Nur Badriyah / Paloma Corbi / Yoyok Sugianto / Bina Swastas Sitepu / Mukhlisi / Elfriede Kalcher-Sommersguter

Animals, Vol 11, Iss 767, p

2021 Volume 767

Abstract: Orangutans depend on social learning for the acquisition of survival skills. The development of skills is not usually assessed in rescued orphans’ pre-release. We collected data of seven orphans over an 18-months-period to monitor the progress of ... ...

Abstract	Orangutans depend on social learning for the acquisition of survival skills. The development of skills is not usually assessed in rescued orphans’ pre-release. We collected data of seven orphans over an 18-months-period to monitor the progress of ontogenetic changes. The orphans, 1.5–9 years old, were immersed in a natural forest environment with human surrogate mothers and other orphans. Social interactions deviated significantly from those of wild mother-reared immatures. Infants spent more time playing socially with peers, at the expense of resting and solitary play. Infants were also more often and at an earlier age distant from their human surrogate mothers than wild immatures are from their biological mothers. We found important changes towards an orangutan-typical lifestyle in 4- to 7-year-old orphans, corresponding to the weaning age in maternally reared immatures. The older orphans spent less time interacting with human surrogate mothers or peers, started to use the canopy more than lower forest strata and began to sleep in nests in the forest. Their time budgets resembled those of wild adults. In conclusion, juvenile orphans can develop capacities that qualify them as candidates for release back into natural habitat when protected from humanising influences and immersed in a species-typical environment.
Keywords	rehabilitation ; re-introduction ; ontogeny ; orphans ; orangutan ; life history ; Veterinary medicine ; SF600-1100 ; Zoology ; QL1-991
Subject code	910
Language	English
Publishing date	2021-03-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Community Perceptions of Impacts of Ecotourism and Its Implications on Ecotourism Development in the Balikpapan Bay, East Kalimantan

Tri Sayektiningsih / Ardiyanto W. Nugroho / Ishak Yassir / Ulfah K. Sari / Amir Ma’ruf / Mukhlisi / Adi Surya / Suryanto

Jurnal Wasian, Vol 6, Iss 1, Pp 57-

2019 Volume 67

Abstract: Understanding local community perceptions towards ecotourism is important since community has a crucial role in determining sustainable ecotourism. This research aimed to identify community perceptions towards impacts of ecotourism as well as to analyse ... ...

Abstract	Understanding local community perceptions towards ecotourism is important since community has a crucial role in determining sustainable ecotourism. This research aimed to identify community perceptions towards impacts of ecotourism as well as to analyse the relationships between perception and ecotourism responsible behaviour. Other goal of this study was to analyse the relationship between ecotourism responsible behaviour and social factors. Data was collected in 4 villages adjacent to the Balikpapan bay, namely Maridan, Telemow, Binuang, and Mentawir. We used the quota technique to sample respondents. For each village, we took 40 respondents randomly. Data was then analysed using descriptive statistics, Spearman correlation, and Kruskal Wallis test. We found that community around the Balikpapan Bay thought that ecotourism was able to bring positive impacts for village and community. A Kruskal Wallis test revealed that there was no significant difference regarding perceptions among 4 villages. We found that there was a correlation between ecotourism responsible behaviour and gender. Implications of community’s perceptions to ecotourism development around the Balikpapan bay were then discussed.
Keywords	ecotourism ; perception ; benefits ; behaviour towards ecotourism ; Balikpapan Bay ; Agriculture ; S ; Forestry ; SD1-669.5
Subject code	910
Language	Indonesian
Publishing date	2019-06-01T00:00:00Z
Publisher	Balai Penelitian Kehutanan
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Author Correction

Lan Qie / Simon L. Lewis / Martin J. P. Sullivan / Gabriela Lopez-Gonzalez / Georgia C. Pickavance / Terry Sunderland / Peter Ashton / Wannes Hubau / Kamariah Abu Salim / Shin-Ichiro Aiba / Lindsay F. Banin / Nicholas Berry / Francis Q. Brearley / David F. R. P. Burslem / Martin Dančák / Stuart J. Davies / Gabriella Fredriksson / Keith C. Hamer / Radim Hédl /

Lip Khoon Kho / Kanehiro Kitayama / Haruni Krisnawati / Stanislav Lhota / Yadvinder Malhi / Colin Maycock / Faizah Metali / Edi Mirmanto / Laszlo Nagy / Reuben Nilus / Robert Ong / Colin A. Pendry / Axel Dalberg Poulsen / Richard B. Primack / Ervan Rutishauser / Ismayadi Samsoedin / Bernaulus Saragih / Plinio Sist / J. W. Ferry Slik / Rahayu Sukmaria Sukri / Martin Svátek / Sylvester Tan / Aiyen Tjoa / Mark van Nieuwstadt / Ronald R. E. Vernimmen / Ishak Yassir / Petra Susan Kidd / Muhammad Fitriadi / Nur Khalish Hafizhah Ideris / Rafizah Mat Serudin / Layla Syaznie Abdullah Lim / Muhammad Shahruney Saparudin / Oliver L. Phillips

Nature Communications, Vol 9, Iss 1, Pp 1-

Long-term carbon sink in Borneo’s forests halted by drought and vulnerable to edge effects

2018 Volume 2

Abstract: The original version of this Article contained an error in the third sentence of the abstract and incorrectly read “Here, using long-term plot monitoring records of up to half a century, we find that intact forests in Borneo gained 0.43 Mg C ha−1 year−1 ( ...

Abstract	The original version of this Article contained an error in the third sentence of the abstract and incorrectly read “Here, using long-term plot monitoring records of up to half a century, we find that intact forests in Borneo gained 0.43 Mg C ha−1 year−1 (95% CI 0.14–0.72, mean period 1988–2010) above-ground live biomass”, rather than the correct “Here, using long-term plot monitoring records of up to half a century, we find that intact forests in Borneo gained 0.43 Mg C ha−1 year−1 (95% CI 0.14–0.72, mean period 1988–2010) in above-ground live biomass carbon”. This has now been corrected in both the PDF and HTML versions of the Article.
Keywords	Science ; Q
Language	English
Publishing date	2018-01-01T00:00:00Z
Publisher	Nature Publishing Group
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Author Correction

Nature Communications, Vol 9, Iss 1, Pp 1-

Long-term carbon sink in Borneo’s forests halted by drought and vulnerable to edge effects

2018 Volume 2

Abstract	The original version of this Article contained an error in the third sentence of the abstract and incorrectly read “Here, using long-term plot monitoring records of up to half a century, we find that intact forests in Borneo gained 0.43 Mg C ha−1 year−1 (95% CI 0.14–0.72, mean period 1988–2010) above-ground live biomass”, rather than the correct “Here, using long-term plot monitoring records of up to half a century, we find that intact forests in Borneo gained 0.43 Mg C ha−1 year−1 (95% CI 0.14–0.72, mean period 1988–2010) in above-ground live biomass carbon”. This has now been corrected in both the PDF and HTML versions of the Article.
Keywords	Science ; Q
Language	English
Publishing date	2018-01-01T00:00:00Z
Publisher	Nature Portfolio
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Long-term carbon sink in Borneo’s forests halted by drought and vulnerable to edge effects

Nature Communications, Vol 8, Iss 1, Pp 1-

2017 Volume 11

Abstract: The existence of a pan-tropical forest carbon sink remains uncertain due to the lack of data from Asia. Here, using direct on-the-ground observations, the authors confirm remaining intact forests in Borneo have provided a long-term carbon sink, but ... ...

Abstract	The existence of a pan-tropical forest carbon sink remains uncertain due to the lack of data from Asia. Here, using direct on-the-ground observations, the authors confirm remaining intact forests in Borneo have provided a long-term carbon sink, but carbon net gains are vulnerable to drought and edge effects.
Keywords	Science ; Q
Language	English
Publishing date	2017-12-01T00:00:00Z
Publisher	Nature Publishing Group
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Long-term carbon sink in Borneo’s forests halted by drought and vulnerable to edge effects

Nature Communications, Vol 8, Iss 1, Pp 1-

2017 Volume 11

Abstract	The existence of a pan-tropical forest carbon sink remains uncertain due to the lack of data from Asia. Here, using direct on-the-ground observations, the authors confirm remaining intact forests in Borneo have provided a long-term carbon sink, but carbon net gains are vulnerable to drought and edge effects.
Keywords	Science ; Q
Language	English
Publishing date	2017-12-01T00:00:00Z
Publisher	Nature Portfolio
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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