Isa NL, Kusneti M and Nugroho RA. Bird diversity of the wetland area in Suwi river, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia [version 1; peer review: 1 not approved]. F1000Research 2018, 7:1587 (https://doi.org/10.12688/f1000research.16251.1)
NOTE: If applicable, it is important to ensure the information in square brackets after the title is included in all citations of this article.
1Yayasan Konservasi Khatulistiwa, Jl. Untung Suropati, Kompleks Perumahan Griya Tepian Lestari blok UU no.15, Samarinda, Kalimantan Timur, 75126, Indonesia 2Animal physiology, development, and molecular laboratory, Department of Biology, Faculty of Mathematics and Natural Sciences, Faculty of Mathematics and Natural Sciences, Mulawarman University, Samarinda, Kalimantan Timur, 75123, Indonesia
Nur Linda Isa
Roles:
Conceptualization,
Formal Analysis,
Funding Acquisition,
Methodology,
Resources,
Validation
The aim of the study was to determine the bird diversity in an essential ecological area, Suwi river, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia. The observation was performed at 5 locations using direct observation at two different times, 06.00-09.00 AM and 15.00-18.00 PM (Indonesia Central Standard Time-eight hours ahead or UTC+8 of GMT) from April 2017 to March 2018. The results stated that 63 species from 28 family were found with diversity index was 3.56. Fifteen birds species have a protected status according to PP no. 7 tahun 1999 (Government regulation document number 7 year 1999) about the preservation of plants and animals, while six species are in appendix two and one species is included in appendix one of the Convention on International Trade in Endangered (CITES). Appendix one includes species threatened with extinction. Trade in specimens of these species is permitted only in exceptional circumstances. Meanwhile, appendix two includes species not necessarily threatened with extinction, but in which trade must be controlled in order to avoid utilization incompatible with their survival. In addition, four species were of vulnerable status according to the International Union for Conservation of Nature (IUCN). This study provides information regarding the biodiversity of birds in an essential ecological area and contributes useful base line data for conservation activities.
Keywords
Birds, Suwi river, Muara Ancalong, Kutai Timur, Conservation
Corresponding author:
Rudy Agung Nugroho
Competing interests:
No competing interests were disclosed.
Grant information:
This work was support by Keidanren Nature Conservation Fund (KNCF) [2007-050]
The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Kalimantan island, known as Borneo, has a high biodiversity that remains one of the most forested provinces in Indonesia1. Kalimantan, especially east Kalimantan, also has a close relationship with Mahakam river. In the lower part of the Mahakam river, there are several large seasonal lakes and hundreds of small lakes that form wetland area2. In addition, the lakes have several small rivers, both inflows and backflows, which flow from both the Kelinjau and Kedang Kepala Rivers3. One of these small rivers is called the Suwi River, located in Muara ancalong district, Kutai Timur regency, East Kalimantan Province, Indonesia.
Recently, the wetland area in Suwi river and Mesangat lake have been proposed as an essential ecosystem (13.964,13 hectare) to support in the protection of both Crocodylus siamensis and Tomistoma schlegii, to prevent them from becoming extinct (see merdeka.com article). In addition, populations of fish can be also found in the Suwi River, which is surrounded by a large area of forest with populations of birds.
Though some studies have been done in the Suwi River1,4, there is no information regarding the bird diversity in this area. Therefore, the aim of the current study was to inventory the bird diversity in this essential ecosystem of the Suwi River to support the conservation actions of Mesangat and Suwi wetland essential ecosystem, Muara Ancalong, Kutai Timur, Indonesia.
Methods
This study was performed in the Suwi River, Muara Ancalong, Kutai Timur, Indonesia (Figure 1) from April 2017 to March 2018. The observation locations were
a. Upper stream (latitude: 0,42469; longitude 116,61273)
b. Middle stream (latitude: 0,40816; longitude: 116,61749)
c. Downstream (latitude: 0,38983; longitude: 116,60514)
d. Ketiaw (latitude: 0,40638; longitude: 116,60346)
e. Loa Bekara (latitude: 0,41527; longitude: 116,63173)
Direct observation by researchers in the field at two different time points, 06.00–09.00 AM and 15.00–18.00 PM (Indonesia Central Standard Time-eight hours ahead or UTC+8 of GMT) was performed to collect the numbers of the individual birds and to identify species in each location. The equipment used included Binocular celestron, upclose G2 10-30×50 zoom porro (Torrance, California, United States) and Global Positioning System (GPSMAP) Garmin 78s. Images of found-birds were taken using a digital camera (Canon PowerShot SX520 HS PC2152 16.0MP Digital Camera, Canon, Inc., USA), To identify the species of the birds found, the guidelines book of Mackinnon et al.5 was used.
Data analysis
The diversity index was performed following Shannon Index of Diversity, with the equation of Ludwig and Reynolds6 using Microsoft Excel 2013:
H’ = Σ (ni/N) log (ni/N)
where :
H’ = Shannon-Weiner index diversity
ni = the number of individuals found for a species
N = the number of individuals from all species
Results and discussion
63 bird species from 27 family were found during the study (Table 1). The full data of all birds found in the Suwi River wetland, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia can be seen in Dataset 17.
Table 1. Bird diversity in the essential ecological area of Suwi River, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia.
No
Scientific name (Species)
Local name (Indonesia)
Family
Number of individuals (n)
1
Acridotheres cristatellus
Kerak Jambul
Sturnidae
4
2
Aegithina tiphia
Cipoh Kacat
Aegithinidae
1
3
Alcedo meninting
Raja Udang Meninting
Alcedinidae
8
4
Amaurornis phoenicurus
Kareo Padi
Rallidae
5
5
Anhinga melanogaster
Pecuk-ular asia
Anhingidae
25
6
Anthracoceros albirostris
Kangkareng Perut-putih
Bucerotidae
1
7
Anthracoceros malayanus
Kangkareng Hitam
Bucerotidae
2
8
Aplonis panayensis
Perling Kumbang
Sturnidae
2
9
Ardea purpurea
Cangak Merah
Ardeidae
6
10
Ardeola speciosa
Blekok Sawah
Ardeidae
31
11
Artamus leucorynchus
Kekep Babi
Artamidae
2
12
Bubulcus ibis
Kuntul Kerbau
Ardeidae
1
13
Butorides striatus
Kokokan Laut
Ardeidae
2
14
Centropus bengalensis
Bubut Alang-alang
Cuculidae
5
15
Centropus rectunguis
Bubut Teragop
Cuculidae
4
16
Centropus sinensis
Bubut besar
Cuculidae
17
17
Ceyx erithacus
Raja Udang Api
Alcedinidae
2
18
Clamator coromandus
Bubut-pacar jambul
Cuculidae
20
19
Columba vitiensis
Merpati Hutan Metalik
Columbidae
2
20
Copsychus saularis
Kucica kampung
Muscicapidae
8
21
Corvus enca
Gagak Hutan
Corvidae
3
22
Cuculus saturatus
Kangkok Ranting
Cuculidae
1
23
Cymbirhynchus macrorhynchos
Sempur Hujan Sungai
Eurylaimidae
6
24
Cyornis turcosus
Sikatan Melayu
Muscicapidae
3
25
Delichon dasypus
Layang-layang Rumah
Hirundinidae
1
26
Dendrocygna arcuata
Belibis kembang
Anatidae
4
27
Dicaeum celebicum
Cabai Panggul Kelabu
Dicaeidae
4
28
Dicaeum cruentatum
Cabai Merah
Dicaeidae
1
29
Dicrurus annectans
Srigunting Gagak
Dicruridae
1
30
Dinopium javanense
Pelatuk Besi
Picidae
2
31
Dryocopus javensis
Pelatuk Ayam
Picidae
1
32
Ducula pickeringii
Pergam Kelabu
Columbidae
4
33
Egretta alba
Kuntul Besar
Ardeidae
2
34
Egretta eulophotes
Kuntul Cina
Ardeidae
1
35
Egretta garzetta
Kuntul Kecil
Ardeidae
6
36
Elanus caeruleus
Elang Tikus
Accipitridae
3
37
Eudynamys scolopacea
Tuwur Asia
Cuculidae
3
38
Eurylaimus javanicus
Sempur Hujan Rimba
Eurylaimidae
1
39
Eurystomus orientalis
Tiung-lampu Biasa
Coraciidae
17
40
Gracula religiosa
Tiung/Beo
Sturnidae
3
41
Hemicircus concretus
Caladi tikotok
Picidae
1
42
Hirundo rustica
Layang-layang Asia
Hirundinidae
6
43
Hirundo tahitica
Layang-layang Batu
Hirundinidae
13
44
Leptoptilos javanicus
Bangau tong-tong
Ciconiidae
4
45
Meiglyptes tristis
Caladi batu
Picidae
2
46
Meiglyptes tukki
Caladi badok
Picidae
6
47
Merops viridis
Kirik-kirik Biru
Meropidae
4
48
Microhierax fringillarius
Alap-Alap Capung
Falconidae
2
49
Orthotomus ruficeps
Cinenen Kelabu
Cisticolidae
2
50
Pelargopsis capensis
Pekaka emas
Alcedinidae
35
51
Phaenicophaeus curvirostris
Kadalan Birah
Cuculidae
1
52
Phaenicophaeus diardi
Kadalan Beruang
Cuculidae
4
53
Phaenicophaeus sumatranus
Kadalan Saweh
Cuculidae
1
54
Picus miniaceus
Pelatuk Merah
Picidae
2
55
Porzana cinerea
Tikusan Alis Putih
Rallidae
1
56
Psittacula longicauda
Betet Ekor-panjang
Psittaculidae
14
57
Pycnonotus aurigaster
Cucak Kutilang
Pycnonotidae
4
58
Pycnonotus goiavier
Merbah Cerukcuk
Pycnonotidae
2
59
Streptopelia chinensis
Tekukur Biasa
Columbidae
5
60
Surniculus lugubris
Kedasi Hitam
Cuculidae
1
61
Treron fulvicollis
Punai Bakau
Columbidae
14
62
Treron vernans
Punai Gading
Columbidae
29
63
Trichastoma rostratum
Pelanduk Dada-putih
Pellorneidae
1
Total number of individuals
369
Bird species that frequently were found in each observation location were Pelargopsis capensis (n = 35), followed by Ardeola speciosa (n = 31), Treron vernans (n = 29), Anhinga melanogaster (n = 25) and Clamator coromandus (n = 20).
The presence of Pelargopsis capensis, Anhinga melanogaster and Ardeola speciosa is likely due to the abundance of fish in the observation locations. Meanwhile, Treron vernans is a seed and fruit-eating bird species that can be observed in the Suwi river wetland area where local tree species such as Ficus sp. and Malotus sumatranus can be widely found. Further, Coromandus Clamator is a small insectivorous bird species and lives among trees, mangroves, farmland and bushes. Some of the birds that were observed during the study are categorized in the threatened-list of International Union for Conservation of Nature (IUCN), Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), or Indonesia government regulation document (PP) number 7 year 1999 about the preservation of plants and animals8 (Table 2).
Table 2. List of threatened, endangered or protected birds species found in Suwi river, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia.
No
Species
IUCN
CITES
PP No 7 1999
1
Elanus caeruleus
LR/lc
AII
P
2
Alcedo meninting
LR/lc
NL
P
3
Ceyx erithacus
LR/lc
NL
P
4
Anhinga melanogaster
LR/nt
NL
P
5
Ardea purpurea
LR/lc
NL
P
6
Ardeola speciosa
LR/lc
NL
P
7
Egretta alba
LR/lc
NL
P
8
Egretta eulophotes
VU
NL
P
9
Egretta garzetta
LR/lc
NL
P
10
Anthracoceros albirostris
LR/lc
AII
P
11
Anthracoceros malayanus
LR/nt
AII
P
12
Leptoptilos javanicus
VU
NL
P
13
Ducula pickeringii
VU
NL
NP
14
Centropus rectunguis
VU
NL
NP
15
Microhierax fringillarius
LR/lc
AII
P
16
Pelargopsis capensis
LR/lc
NL
P
17
Dryocopus javensis
LR/lc
AI
NP
18
Psittacula longicauda
LR/nt
AII
NP
19
Gracula religiosa
LR/lc
AII
P
IUCN = International Union for Conservation of Nature (IUCN), CITES = Convention on International Trade in Endangered Species of Wild Fauna and Flora, PP No 7 1999 = Indonesia Government regulation document (PP) number 7 year 1999 about preservation of plant and animal. LR/Lc = Lower risk/ Least Concern, LR/nt = Lower risk/near threaten, VU = Vulnerable, NL = Not on the List AI = Appendix I, AII = Appendix II, P = Protected, NP = not protected
In the present study 63 species were identified, of which 15 species have protected status according to the Indonesia Government regulation document (PP) number 7 year 1999 on the preservation of plants and animals. Moreover, 6 species are categorized in appendix II of CITES indicating that the species are not necessarily threatened with extinction, but the trade of these animals must be controlled and regulated in order to avoid utilization incompatible with their survival. Furthermore, only one species is classified in appendix I of CITES, meaning the species is threatened with extinction. Trade in specimens of this species is only permitted under special circumstances. 4 species were found to be vulnerable according to the IUCN.
The diversity index of birds of the Suwi River, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia was found to be 3.56. According to Shannon-Wiener index, the diversity of birds of the Suwi river, Muara ancalong was H > 3, a high diversity index. However, illegal hunting for commercial use and land-use change for palm oil plantations might threaten the habitat of the birds. Thus, conservation actions and further regulation should be considered.
Dataset 1.List of found-birds during observation between April 2017 and March 2018 in the Suwi River wetland, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia.
Dataset 2.Pictures of found-birds during observation between April 2017 and March 2018 in the Suwi River wetland, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia.
Conclusion
The first report of bird diversity an essential ecological area of the Suwi River wetland, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia has found it contains a number of birds that are protected according to the IUCN, CITES and Indonesia government document. Though the diversity index of bird is classified as high, conservation action should be taken into consideration in order to protect the birds as well as their natural habitat.
Data availability
Dataset 1: List of found-birds during observation between April 2017 and March 2018 in the Suwi River wetland, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia. 10.5256/f1000research.16251.d2195717
Dataset 2: Pictures of found-birds during observation between April 2017 and March 2018 in the Suwi River wetland, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia. 10.5256/f1000research.16251.d2195869
Grant information
This work was support by Keidanren Nature Conservation Fund (KNCF) [2007-050]
The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Acknowledgments
The authors thank to Keidanren Nature Conservation Fund (KNCF) for grant support and Faculty of Mathematics and Natural Sciences, Mulawarman University, Samarinda, East Kalimantan.
Faculty Opinions recommended
References
1.
Nugroho RA, Santoso YGG, Nur FM, et al.:
A preliminary study on the biodiversity of fish in the Suhui River, Muara Ancalong, East Kutai, Indonesia.
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2016; 9(2). Reference Source
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Chokkalingam U, Kurniawan I, Ruchiat Y:
Fire, livelihoods, and environmental change in the middle Mahakam peatlands, East Kalimantan.
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Stuebing R, Sommerlad R, Staniewicz A:
Conservation of the Sunda gharial Tomistoma schlegelii in Lake Mesangat, Indonesia.
Int Zoo Yearb.
2015; 49(1): 137–149. Publisher Full Text
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Wahyudi D, Kusneti M, Suimah:
Biodiversity inventory and conservation opportunity of Suwi wetlands, Muara Ancalong, East Kalimantan, Indonesia. In AIP Conference Proceedings. AIP Publishing. 2017; 1813(1): 020013. Publisher Full Text
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MacKinnon JR, Phililipps K, Balen S:
Burung-burung di Sumatera, Jawa, Bali dan Kalimantan: termasuk Sabah, Sarawak dan Brunei Darussalam (The birds in Sumatera, Java, Bali, and Borneo Island, including Sabah, Serawak, and Brunei Darussalam). [GEF Biodiversity Collections Project], Puslitbang Biologi-LIPI [=Pusat Penelitian dan Pengembangan Biologi, Lembaga Ilmu Pengetahuan Indonesia]. 1999. Reference Source
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Ludwig JA, Reynolds JF:
Statistical Ecology. A Primer on Methods and Computing. New York: Wiley. 1988; 337. Reference Source
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Isa NL, Kusneti M, Nugroho RA:
Dataset 1 in: Bird diversity of wetland area in Suwi river, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia.
F1000Research.
2018. http://www.doi.org/10.5256/f1000research.16251.d219571
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PP, Peraturan Pemerintah Nomor 7 Tahun 1999: Pengawetan Jenis Tumbuhan dan Satwa. K.H.d.H.A.M.R. Indonesia, Editor 2018, Kementerian Hukum dan Hak Asasi Manusia Republik Indonesia: Jakarta, Indonesia. Reference Source
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Isa NL, Kusneti M, Nugroho RA:
Dataset 2 in: Bird diversity of wetland area in Suwi river, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia.
F1000Research.
2018. http://www.doi.org/10.5256/f1000research.16251.d219586
1
Yayasan Konservasi Khatulistiwa, Jl. Untung Suropati, Kompleks Perumahan Griya Tepian Lestari blok UU no.15, Samarinda, Kalimantan Timur, 75126, Indonesia 2
Animal physiology, development, and molecular laboratory, Department of Biology, Faculty of Mathematics and Natural Sciences, Faculty of Mathematics and Natural Sciences, Mulawarman University, Samarinda, Kalimantan Timur, 75123, Indonesia
Nur Linda Isa
Roles:
Conceptualization,
Formal Analysis,
Funding Acquisition,
Methodology,
Resources,
Validation
This work was support by Keidanren Nature Conservation Fund (KNCF) [2007-050]
The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
Isa NL, Kusneti M and Nugroho RA. Bird diversity of the wetland area in Suwi river, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia [version 1; peer review: 1 not approved]. F1000Research 2018, 7:1587 (https://doi.org/10.12688/f1000research.16251.1)
NOTE: If applicable, it is important to ensure the information in square brackets after the title is included in all citations of this article.
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ApprovedThe paper is scientifically sound in its current form and only minor, if any, improvements are suggested
Approved with reservations
A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit.
Not approvedFundamental flaws in the paper seriously undermine the findings and conclusions
Vogel HF. Reviewer Report For: Bird diversity of the wetland area in Suwi river, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia [version 1; peer review: 1 not approved]. F1000Research 2018, 7:1587 (https://doi.org/10.5256/f1000research.17749.r38905)
It is an important report for activities of environmental planning of flooded areas of the Suwi river.
Introduction:
Beyond the importance for wildlife, is there any direct use by the population?
... Continue reading
It is an important report for activities of environmental planning of flooded areas of the Suwi river.
Introduction:
Beyond the importance for wildlife, is there any direct use by the population?
In the second paragraph, the citation of “(see merdeka.com article)” could be revised and better detailed in the text.
What are the threats to the wetlands on the site? What is the importance of habitat for birds in this location? Are there too many nestling sites? Is it one of the largest bird feeding areas in the region?
Methods:
A very important area for biodiversity, but no environmental descriptions are provided. When dealing with flooded areas, it is not mentioned if the ecosystem works by flooding pulse. What is the climate? I missed a detail on the map by locating the place in the world. It should explain the map better.
In data collection the sampling efforts are not sufficiently explained. I think it should be "heavier" in the methodology to make the work at least replicable. So you could put the coordinates in a small table. How do you know if sampling was enough? How many events do you sample?
From the analysis point of view, instead of applying the diversity index, it would be more interesting to rank the species in order to know which are the most abundant and rare species groups.
Results:
I believe that the documents used for the list of endangered species could already have been mentioned in the methodology. From the ecological point of view, which should be discussed better, which species are unique to wetlands and which are generalists?
There is also one incorrect spelling of a scientific name.
Competing Interests: No competing interests were disclosed.
Reviewer Expertise: Bird Ecology
I confirm that I have read this submission and believe that I have an appropriate level of expertise to state that I do not consider it to be of an acceptable scientific standard, for reasons outlined above.
Vogel HF. Reviewer Report For: Bird diversity of the wetland area in Suwi river, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia [version 1; peer review: 1 not approved]. F1000Research 2018, 7:1587 (https://doi.org/10.5256/f1000research.17749.r38905)
Alongside their report, reviewers assign a status to the article:
Approved - the paper is scientifically sound in its current form and only minor, if any, improvements are suggested
Approved with reservations -
A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit.
Not approved - fundamental flaws in the paper seriously undermine the findings and conclusions
Spreadsheet data files may not format correctly if your computer is using different default delimiters (symbols used to separate values into separate cells) - a spreadsheet created in one region is sometimes misinterpreted by computers in other regions. You can change the regional settings on your computer so that the spreadsheet can be interpreted correctly.
How to fix it
Save downloaded CSV file
Open spreadsheet program (e.g. Excel)
Click the ‘Data’ tab at the top
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Isa NL, Kusneti M and Nugroho RA. Dataset 1 in: Bird diversity of the wetland area in Suwi river, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia. F1000Research 2018, 7:1587 (https://doi.org/10.5256/f1000research.16251.d219571)
Spreadsheet data files may not format correctly if your computer is using different default delimiters (symbols used to separate values into separate cells) - a spreadsheet created in one region is sometimes misinterpreted by computers in other regions. You can change the regional settings on your computer so that the spreadsheet can be interpreted correctly.
How to fix it
Save downloaded CSV file
Open spreadsheet program (e.g. Excel)
Click the ‘Data’ tab at the top
Click the ‘From text’ icon (top left)
Browse for downloaded CSV file, click ‘Import’
Ensure ‘Delimited’ radio button is selected, click ‘Next’
Check one of the appropriate delimiter checkboxes (you can visualize the formatting by looking at the data preview below these options)
Isa NL, Kusneti M and Nugroho RA. Dataset 2 in: Bird diversity of the wetland area in Suwi river, Muara Ancalong, Kutai Timur, Kalimantan Timur, Indonesia. F1000Research 2018, 7:1587 (https://doi.org/10.5256/f1000research.16251.d219586)
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