Difference between revisions of "Song Thanh Nature Reserve"

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[[Asia]] > [[Vietnam]] > [[Song Thanh Nature Reserve]]
  
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[[Region]] > [[Country]] > [[Site]]
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= Summary = <!-- An overview of the site, with one sentence for each section. May include a site map -->
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* Northern yellow‐cheeked gibbons (''Nomascus annamensis'') are present in Song Thanh Nature Reserve.
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= Summary = <!-- An overview of the site, with a one sentence overview of each of the following sections. can include a site map -->
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* It has been estimated that 443 (95% CI, 278–707) groups occur in the site.
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* The gibbon population trend is unknown.
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* Ape taxa present  
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* The site has a total size of 765.93 km².
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* Ape population size
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* Key threats to gibbons are illegal logging, agricultural expansion, and hunting.
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* Ape population trend  
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* Conservation activities are not documented.
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* This site has a total size of XX km².
 
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* Key threats to apes are ...
 
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* Additional information
 
  
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= Site characteristics = <!-- A paragraph summary of physical and geographic aspects of the site, and a table of key information -->
  
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= Site characteristics =
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Song Thanh Nature Reserve is located in Quang Nam Province, central Vietnam. The site is bordered by Highway 14D to the north, Highway AH17 to the south, Lao PDR to the west, and the Thanh river to the east (Van Tran & Tien Vu 2020). The forest cover is about 90% of the total area of the reserve. The topography of the area is complex, with altitudes ranging from 80 to 2,032 m above sea level (Van Tran & Tien Vu 2020). The reserve is a [http://www.keybiodiversityareas.org/site/factsheet/21875 Key Biodiversity Area]. Field surveys have documented 73 mammal species, 177 bird species, 118 reptile and amphibian species and 671 plant species at the site (USAID 2018). Species records include three mammals found only in this landscape; Owston’s civet, ''Chrotogale owstoni'', the Annamite striped rabbit, ''Nesolagus timminsi'', and the large-antlered muntjac, ''Muntiacus vuquangensis'' ([https://pdf.usaid.gov/pdf_docs/PA00TSDW.pdf USAID]).
  
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'''Table 1. Basic site information for Song Thanh Nature Reserve'''
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This section includes a paragraph summary of physical and geographic aspects of the site, a brief history of the site and on animals and plants that are known to occur at the site.
 
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'''Table 1: Basic site information for XXXX'''
 
 
{| border="1" cellpadding="5" cellspacing="0" class="basic-information"
 
{| border="1" cellpadding="5" cellspacing="0" class="basic-information"
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| Area             <!-- Please include units: km2/ha e.g 200ha   -->
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| Area <!-- Please include units: km2/ha e.g 200ha -->
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|765.93 km²
 
|-
 
|-
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| Coordinates
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|Coordinates
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|
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|15.546228 N, 107.482601 E
 
|-
 
|-
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| Designation     <!-- National Park, Nature Reserve, etc.  -->
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|Designation
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|Nature Reserve
 
|-
 
|-
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|Habitat types   <!-- List IUCN Habitat Classification 3.0 categories present (Without number), see link below -->
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|Habitat types <!-- List IUCN Habitat Classification 3.0 categories present (without number), see link below -->
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|
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|Subtropical/tropical moist lowland forest, Subtropical/Tropical Heavily Degraded Former Forest
 
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|}
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[http://www.unitar.org/hiroshima/sites/unitar.org.hiroshima/files/Annex%201%20-%20IUCN%20Classification%20Schemes.pdf IUCN habitat categories]   [[Site designations]]
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[https://www.iucnredlist.org/resources/habitat-classification-scheme IUCN habitat categories] [[Site designations]]
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<br>
 
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= Ape status = <!-- a text overview of ape status (population sizes, trends etc), followed by a table of specific surveys and results -->
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= Ape status = <!--An overview of ape population status (population sizes, trends, etc.), followed by a table of specific surveys and results -->
  
 +
A 2019 survey determined a total suitable habitat for gibbons of 302.32 sq.km (Van Tran & Tien Vu 2020). The survey team detected 36 gibbon groups through field surveys and estimated 443 (95% CI, 278–707) gibbon groups in Song Thanh Nature Reserve. The results indicate that the gibbon population in Song Thanh Nature Reserve is the largest known population of N. annamensis in Vietnam (Van Tran & Tien Vu 2020). Furthermore, it was estimated that the total area of suitable habitat for the northern yellow‐cheeked gibbon was 302.32 km2, or 39.47% of the reserve's area (Van Tran & Tien Vu 2020).
  
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'''Table 2. Ape population estimates in Song Thanh Nature Reserve'''
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This section includes a brief summary of the survey history, the most recent abundance estimate, date of the estimate, and, if available, the population trend (if explicitely stated in a report/paper).
 
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'''Table 2: Ape population estimates in XXXX'''
 
 
{| border="1" cellpadding="5" cellspacing="0" class="population-estimate-table"
 
{| border="1" cellpadding="5" cellspacing="0" class="population-estimate-table"
 
! Species
 
! Species
 
! Year
 
! Year
−
! Abundance estimate (95% confidence interval)
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! Total number indiv. (95% CI)
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! Density estimate (per km²)
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! Total number groups (95% CI)
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! Encounter rate (nests/km)
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! Density ​​[groups/km²​] (95% CI)
 
! Area
 
! Area
 
! Method
 
! Method
Line 72: Line 54:
 
! A.P.E.S. database ID
 
! A.P.E.S. database ID
 
|-
 
|-
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|''Nomascus annamensis''
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|2019
 
|
 
|
−
|
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|443 (95% CI, 278–707)
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|1.46 group/km2 (95% CI, 0.92–2.34)
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|
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|Song Thanh Nature Reserve
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|
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|Fixed-point triangulation
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|Van Tran & Tien Vu 2020
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|
 
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= Threats =    <!-- a text overview of threats, followed by a table of key threats -->
 
= Threats =    <!-- a text overview of threats, followed by a table of key threats -->
  
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The density distribution of gibbons at the site has been shown to be influenced by the distance to villages (Van Tran & Tien Vu 2020). Local people depend heavily on forest resources. Activities such as illegal logging, wildlife trapping, shifting cultivation and wood collection are the main threats to wildlife in the reserve; especially hunting and trade of wildlife (Hoang et al. 2010).
  
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This sections describes threats at the site, particularly those relevant for apes and thereby provides context for the threats listed in the table below.
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'''Table 3. Threats to apes in Song Thanh Nature Reserve'''
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'''Table 3: Threats to apes in XXXX'''
 
 
{| border="1" cellpadding="5" cellspacing="0" class="threats-table"
 
{| border="1" cellpadding="5" cellspacing="0" class="threats-table"
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!align="left"|Category <!-- Do not change threat categories -->
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!align="left"|Category <!-- PLEASE DO NOT CHANGE THE THREAT CATEGORIES -->
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!Specific threats   <!-- For specific threats, please use list of comma separated keywords from the list linked below -->
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!Specific threats <!-- For specific threats, please use list of comma separated keywords from the IUCN list linked below -->
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!Threat level       <!-- For threat level, please use keywords: unknown, low, high -->
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!Threat level <!-- For threat level, please use keywords: low, medium, high, present, absent, unknown-->
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!Quantified severity <!-- e.g., encounter rate, number of miners etc. (with reference)-->
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!Quantified severity <!-- Enter any available quantification of the threat, e.g., the proportion of the area affected by the threat, hunting sign encounter rates-->
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!Description         <!-- You can add descriptive information here -->
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!Description <!-- Add descriptive information -->
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!Year of threat     <!-- if ongoing or unknown add year of reference in brackets-->
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!Year of threat <!-- Enter specific year(s), “ongoing”, or “unknown”. If the threat is ongoing, please add the year of reference in parentheses -->
 
|-
 
|-
 
|1. Residential & commercial development
 
|1. Residential & commercial development
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|1.1 Housing & urban areas
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|Present, but threat severity unknown
 
|
 
|
−
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|The density distribution of gibbons at the site has been shown to be influenced by the distance to villages (Van Tran & Tien Vu 2020).
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|
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|Ongoing (2020)
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|
 
−
|
 
 
|-
 
|-
 
|2. Agriculture & aquaculture
 
|2. Agriculture & aquaculture
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|2.1 Annual & perennial non-timber crops
 +
|Medium
 
|
 
|
−
|
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|Shifting agriculture; slow but significant deterioration (KBA 2020).
−
|
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|Ongoing (2020)
−
|
 
−
|
 
 
|-
 
|-
 
|3. Energy production & mining
 
|3. Energy production & mining
 
|
 
|
−
|
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|Unknown
 
|
 
|
 
|
 
|
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|-
 
|-
 
|4. Transportation & service corridors
 
|4. Transportation & service corridors
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|4.1 Roads & railroads
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|Low
 
|
 
|
−
|
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|Construction and upgrade of roads in the area (Hoang et al. 2010, KBA 2020).
−
|
+
|Unknown
−
|
 
−
|
 
 
|-
 
|-
 
|5. Biological resource use
 
|5. Biological resource use
 +
|5.1 Hunting & collecting terrestrial animals
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|High
 
|
 
|
 +
|Hunting with snares (other animals are targeted) (Hoang et al. 2010, KBA 2020).
 +
|Ongoing (2020)
 +
|-
 
|
 
|
 +
|5.3 Logging & wood harvesting
 +
|Present, but threat severity unknown
 +
|Between 2012 and 2016, Song Thanh NR has lost approximately 153 ha of forest cover, equivalent to 0.2% of the forest cover (USAID 2018).
 
|
 
|
−
|
+
|Ongoing (2018)
−
|
 
 
|-
 
|-
−
|6. Human intrusions & disturbance
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|6. Human intrusion & disturbance
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|
 
 
|
 
|
 +
|Unknown
 
|
 
|
 
|
 
|
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|7. Natural system modifications
 
|7. Natural system modifications
 
|
 
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−
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|Unknown
 
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|
 
|
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|8. Invasive & other problematic species, genes, diseases
 
|8. Invasive & other problematic species, genes, diseases
 
|
 
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−
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|Unknown
 
|
 
|
 
|
 
|
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|9. Pollution
 
|9. Pollution
 
|
 
|
−
|
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|Unknown
 
|
 
|
 
|
 
|
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|10. Geological Events
 
|10. Geological Events
 
|
 
|
−
|
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|Absent
 
|
 
|
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|11. Climate change & severe weather
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| 11. Climate change & severe weather
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|
 
 
|
 
|
 +
|Unknown
 
|
 
|
 
|
 
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|12. Other options
 
|12. Other options
 
|
 
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−
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|Absent
 
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|
 
|
 
|
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[https://www.iucnredlist.org/resources/threat-classification-scheme IUCN Threats list]
 
[https://www.iucnredlist.org/resources/threat-classification-scheme IUCN Threats list]
  
 +
= Conservation activities =      <!-- A summary of the conservation activities, followed by a table of key activities -->
  
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'''Table 4. Conservation activities in Song Thanh Nature Reserve'''
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= Conservation activities =      <!-- a text overview of conservation activities, followed by a table of key activities -->
 
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−
 
 
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This sections describes conservation interventions implemented at the site, including information on which organizations are implementing them and thereby provides context for the conservation activities listed in the table below.
 
−
 
 
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'''Table 4: Conservation activities in XXXX'''
 
 
{| border="1" cellpadding="5" cellspacing="0" class="conservation-actions-table"
 
{| border="1" cellpadding="5" cellspacing="0" class="conservation-actions-table"
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!align="left"|Category <!-- Do not change threat categories -->
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!align="left"|Category <!-- PLEASE DO NOT CHANGE THE CATEGORIES -->
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!Specific activity   <!-- For specific threats, please use list of comma separated keywords from the list linked below -->
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!Specific activity <!-- For specific threats, please use list from the list linked below, OR enter “Not reported” -->
−
!Description         <!-- You can add descriptive information here -->
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!Description <!-- Add descriptive information -->
−
!Year of activity         <!-- if ongoing or unknown add year of reference in brackets -->
+
!Year of activity <!-- Add descriptive information -->
 
|-
 
|-
 
|1. Residential & commercial development
 
|1. Residential & commercial development
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|2. Agriculture & aquaculture
 
|2. Agriculture & aquaculture
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|3. Energy production & mining
 
|3. Energy production & mining
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|4. Transportation & service corridors
 
|4. Transportation & service corridors
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|5. Biological resource use
 
|5. Biological resource use
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|6. Human intrusions & disturbance
+
|6. Human intrusion & disturbance
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|7. Natural system modifications
 
|7. Natural system modifications
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|8. Invasive & other problematic species, genes, diseases
 
|8. Invasive & other problematic species, genes, diseases
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|9. Pollution
 
|9. Pollution
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|10. Education & Awareness  
 
|10. Education & Awareness  
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|11. Habitat Protection
 
|11. Habitat Protection
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|12. Species Management
 
|12. Species Management
−
|
+
|Not reported
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|13. Livelihood; Economic & Other Incentives  
 
|13. Livelihood; Economic & Other Incentives  
−
|
+
|Not reported
 
|
 
|
 
|
 
|
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[[Conservation activities list (Junker et al. 2017)]]
 
[[Conservation activities list (Junker et al. 2017)]]
  
 +
= Challenges = <!-- Overview of challenges in ape conservation -->
  
−
 
+
'''Table 5. Challenges reported for Song Thanh Nature Reserve'''
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= Impediments = <!-- Overview of impediments to ape conservation -->
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{| border="1" cellpadding="5" cellspacing="0" class="challenges-table"
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+
!align="left"|Challenge <!-- Do not change categories -->
−
 
+
!Source <!-- Source for challenge mentioned -->
−
Description of impediments that may hamper conservation activities.
 
−
 
 
−
 
 
−
'''Table 5: Impediments reported for XXXX'''
 
−
{| border="1" cellpadding="5" cellspacing="0" class="impediments-table"
 
−
!align="left"|Impediment  <!-- Do not change categories -->
 
−
!Source   <!-- source for impediment mentioned -->
 
 
|-
 
|-
−
|
+
|Not reported
 
|
 
|
 
|-
 
|-
 
|}
 
|}
−
 
−
 
  
 
= Research activities = <!-- Overview of research activities -->
 
= Research activities = <!-- Overview of research activities -->
−
 
−
 
−
Short description of past and ongoing research activities at the site.
 
−
 
  
 
===Documented behaviours===  <!-- List of any behaviours observed at the site, including citations -->
 
===Documented behaviours===  <!-- List of any behaviours observed at the site, including citations -->
  
−
'''Table 6: Ape behaviors reported for XXXX'''
+
'''Table 6. Ape behaviors reported for Song Thanh Nature Reserve'''
 
{| border="1" cellpadding="5" cellspacing="0" class="behaviors-table"
 
{| border="1" cellpadding="5" cellspacing="0" class="behaviors-table"
−
!align="left"|Behavior <!-- Do not change categories -->
+
!align="left"|Behavior
−
!Source   <!-- source for behavior -->
+
!Source
 
|-
 
|-
−
|
+
|Not reported
 
|
 
|
 
|-
 
|-
 
|}
 
|}
  
 +
=External links=
  
 
===Relevant datasets===
 
===Relevant datasets===
 
[http://apesportal.eva.mpg.de/database/archiveMap A.P.E.S Portal]
 
[http://apesportal.eva.mpg.de/database/archiveMap A.P.E.S Portal]
−
 
−
<br>
 
−
 
  
 
= References =
 
= References =
−
 
+
Tran, D. V., & Vu, T. T. (2020). Combining species distribution modeling and distance sampling to assess wildlife population size: A case study with the northern yellow‐cheeked gibbon (Nomascus annamensis). American Journal of Primatology, 82(9), e23169. <br>
 +
USAID (2018). PA FACT SHEET SONG THANH NATURE RESERVE. Online: https://pdf.usaid.gov/pdf_docs/PA00TSDW.pdf <br>
 +
Key Biodiversity Areas Partnership (2020). Key Biodiversity Areas factsheet: Song Thanh. Extracted from the World Database of Key Biodiversity Areas. Developed by the Key Biodiversity Areas Partnership: BirdLife International, IUCN, American Bird Conservancy, Amphibian Survival Alliance, Conservation International, Critical Ecosystem Partnership Fund, Global Environment Facility, Global Wildlife Conservation, NatureServe, Rainforest Trust, Royal Society for the Protection of Birds, World Wildlife Fund and Wildlife Conservation Society. Downloaded from http://www.keybiodiversityareas.org/ on 14/12/2021. <br>
 +
Hoang, C., Trang, L., & Tinh, N. (2010). Technical Report on Wildlife hunting and Trading in Song Thanh Nature Reserve, Quang Nam Province, Vietnam. Interim report for phase 1 MacArthur foundation, Education for Nature, Ha Noi, Vietnam. <br>
  
 
<br>
 
<br>
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'''Page completed by: '''A.P.E.S. Wiki team''' Date:''' 29/12/2021 <!-- If you don't want to add your name, you can add "A.P.E.S. Wiki team" -->
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<i>Please consider whether any information you would like to add is sensitive and could be misused to harm apes. Please do not add such information. If unsure, you can contact the Wiki manager (contact details on start page) for clarification.</i>
 
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<br><br>
 

Latest revision as of 09:48, 31 December 2021

Asia > Vietnam > Song Thanh Nature Reserve

Summary

  • Northern yellow‐cheeked gibbons (Nomascus annamensis) are present in Song Thanh Nature Reserve.
  • It has been estimated that 443 (95% CI, 278–707) groups occur in the site.
  • The gibbon population trend is unknown.
  • The site has a total size of 765.93 km².
  • Key threats to gibbons are illegal logging, agricultural expansion, and hunting.
  • Conservation activities are not documented.

Site characteristics

Song Thanh Nature Reserve is located in Quang Nam Province, central Vietnam. The site is bordered by Highway 14D to the north, Highway AH17 to the south, Lao PDR to the west, and the Thanh river to the east (Van Tran & Tien Vu 2020). The forest cover is about 90% of the total area of the reserve. The topography of the area is complex, with altitudes ranging from 80 to 2,032 m above sea level (Van Tran & Tien Vu 2020). The reserve is a Key Biodiversity Area. Field surveys have documented 73 mammal species, 177 bird species, 118 reptile and amphibian species and 671 plant species at the site (USAID 2018). Species records include three mammals found only in this landscape; Owston’s civet, Chrotogale owstoni, the Annamite striped rabbit, Nesolagus timminsi, and the large-antlered muntjac, Muntiacus vuquangensis (USAID).

Table 1. Basic site information for Song Thanh Nature Reserve

Area 765.93 km²
Coordinates 15.546228 N, 107.482601 E
Designation Nature Reserve
Habitat types Subtropical/tropical moist lowland forest, Subtropical/Tropical Heavily Degraded Former Forest

IUCN habitat categories Site designations

Ape status

A 2019 survey determined a total suitable habitat for gibbons of 302.32 sq.km (Van Tran & Tien Vu 2020). The survey team detected 36 gibbon groups through field surveys and estimated 443 (95% CI, 278–707) gibbon groups in Song Thanh Nature Reserve. The results indicate that the gibbon population in Song Thanh Nature Reserve is the largest known population of N. annamensis in Vietnam (Van Tran & Tien Vu 2020). Furthermore, it was estimated that the total area of suitable habitat for the northern yellow‐cheeked gibbon was 302.32 km2, or 39.47% of the reserve's area (Van Tran & Tien Vu 2020).

Table 2. Ape population estimates in Song Thanh Nature Reserve

Species Year Total number indiv. (95% CI) Total number groups (95% CI) Density ​​[groups/km²​] (95% CI) Area Method Source Comments A.P.E.S. database ID
Nomascus annamensis 2019 443 (95% CI, 278–707) 1.46 group/km2 (95% CI, 0.92–2.34) Song Thanh Nature Reserve Fixed-point triangulation Van Tran & Tien Vu 2020

Threats

The density distribution of gibbons at the site has been shown to be influenced by the distance to villages (Van Tran & Tien Vu 2020). Local people depend heavily on forest resources. Activities such as illegal logging, wildlife trapping, shifting cultivation and wood collection are the main threats to wildlife in the reserve; especially hunting and trade of wildlife (Hoang et al. 2010).

Table 3. Threats to apes in Song Thanh Nature Reserve

Category Specific threats Threat level Quantified severity Description Year of threat
1. Residential & commercial development 1.1 Housing & urban areas Present, but threat severity unknown The density distribution of gibbons at the site has been shown to be influenced by the distance to villages (Van Tran & Tien Vu 2020). Ongoing (2020)
2. Agriculture & aquaculture 2.1 Annual & perennial non-timber crops Medium Shifting agriculture; slow but significant deterioration (KBA 2020). Ongoing (2020)
3. Energy production & mining Unknown
4. Transportation & service corridors 4.1 Roads & railroads Low Construction and upgrade of roads in the area (Hoang et al. 2010, KBA 2020). Unknown
5. Biological resource use 5.1 Hunting & collecting terrestrial animals High Hunting with snares (other animals are targeted) (Hoang et al. 2010, KBA 2020). Ongoing (2020)
5.3 Logging & wood harvesting Present, but threat severity unknown Between 2012 and 2016, Song Thanh NR has lost approximately 153 ha of forest cover, equivalent to 0.2% of the forest cover (USAID 2018). Ongoing (2018)
6. Human intrusion & disturbance Unknown
7. Natural system modifications Unknown
8. Invasive & other problematic species, genes, diseases Unknown
9. Pollution Unknown
10. Geological Events Absent
11. Climate change & severe weather Unknown
12. Other options Absent

IUCN Threats list

Conservation activities

Table 4. Conservation activities in Song Thanh Nature Reserve

Category Specific activity Description Year of activity
1. Residential & commercial development Not reported
2. Agriculture & aquaculture Not reported
3. Energy production & mining Not reported
4. Transportation & service corridors Not reported
5. Biological resource use Not reported
6. Human intrusion & disturbance Not reported
7. Natural system modifications Not reported
8. Invasive & other problematic species, genes, diseases Not reported
9. Pollution Not reported
10. Education & Awareness Not reported
11. Habitat Protection Not reported
12. Species Management Not reported
13. Livelihood; Economic & Other Incentives Not reported

Conservation activities list (Junker et al. 2017)

Challenges

Table 5. Challenges reported for Song Thanh Nature Reserve

Challenge Source
Not reported

Research activities

Documented behaviours

Table 6. Ape behaviors reported for Song Thanh Nature Reserve

Behavior Source
Not reported

External links

Relevant datasets

A.P.E.S Portal

References

Tran, D. V., & Vu, T. T. (2020). Combining species distribution modeling and distance sampling to assess wildlife population size: A case study with the northern yellow‐cheeked gibbon (Nomascus annamensis). American Journal of Primatology, 82(9), e23169.
USAID (2018). PA FACT SHEET SONG THANH NATURE RESERVE. Online: https://pdf.usaid.gov/pdf_docs/PA00TSDW.pdf
Key Biodiversity Areas Partnership (2020). Key Biodiversity Areas factsheet: Song Thanh. Extracted from the World Database of Key Biodiversity Areas. Developed by the Key Biodiversity Areas Partnership: BirdLife International, IUCN, American Bird Conservancy, Amphibian Survival Alliance, Conservation International, Critical Ecosystem Partnership Fund, Global Environment Facility, Global Wildlife Conservation, NatureServe, Rainforest Trust, Royal Society for the Protection of Birds, World Wildlife Fund and Wildlife Conservation Society. Downloaded from http://www.keybiodiversityareas.org/ on 14/12/2021.
Hoang, C., Trang, L., & Tinh, N. (2010). Technical Report on Wildlife hunting and Trading in Song Thanh Nature Reserve, Quang Nam Province, Vietnam. Interim report for phase 1 MacArthur foundation, Education for Nature, Ha Noi, Vietnam.


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