Pakkamalai is a mountain and forest reserve in Villupuram district of Tamil Nadu, located 45 km southwest of Gingee.

Geography

Pakkamalai is steep-sided plateau that reaches an elevation of over 500 meters. In addition to being a forest reserve, Pakkamalai is a sacred forest. There is a shrine to the Goddess Durga on one of the peaks, and a temple to Perumal (Vishnu) at mid-elevation.[1]

Climate

Maximum temperature ranges from 30° to 36 °C in the summer, and 24 °C during the winter months. Mean annual rainfall is 700 mm.[2]

Ecology

Pakkamalai forest reserve covers an area of 22.38 km2,[3] and the mountain's dry forests contain a mix of species characteristic of the coastal dry evergreen forests which lie to the east, and the dry deciduous forests that lie to the west in the Eastern Ghats. Typical dry evergreen species in the forests include Atalantia monophylla, Acacia intsia, Combretum albidum, Dichrostachys cinerea, and Psydrax dicoccos, and typical dry deciduous species include Cochlospermum religiosum, Deccania pubescens, Garuga pinnata, Hildegardia populifolia, Ochna lanceolata, and Premna tomentosa.[4] It is also home to several endemic and limited-range species.[5][6] Hubera senjiana, a rare species of tree, is found only on Pakkamalai, growing in dry rocky soils along forest fringes between 200–300 metres elevation in association with Phyllanthus polyphyllus, Stenosiphonium russellianum, and Justicia beddomei.[7]

The surrounding lowlands are in the Deccan thorn scrub forests ecoregion.[8]

Pakkamalai is home to the easternmost population of the grizzled giant squirrel (Ratufa macroura). It was previously known only in the Western Ghats and the Palani Hills.[9]

In 2019, the critically endangered blue tarantula Poecilotheria metallica, known as the peacock parachute spider or Gooty tarantula, was discovered living in the mountains.[10]

References

  1. ↑ R. Muralidharan (2014). "Angiosperm Diversity, Ethnobotany and Vegetational Analysis of a Sacred Forest near Gingee, Tamil Nadu, India" Doctoral Thesis.
  2. ↑ Pandi Karthik, Ayuthavel Kalaimani, and Rathinalingam Nagarajan (2018). "An inventory on herpetofauna with emphasis on conservation from Gingee Hills, Eastern-Ghats, Southern India". Asian Journal of Conservation Biology, July 2018. Vol. 7 No. 1, pp. 2-16.
  3. ↑ Karthik, Pandi & Kalaimani, Ayuthavel & Nagarajan, Rajarathinavelu. (2018). An Inventory on Herpetofauna with Emphasis on Conservation from Gingee Hills, Eastern-Ghats, Southern India. 7. 2-16.
  4. ↑ R. Muralidharan (2014). "Angiosperm Diversity, Ethnobotany and Vegetational Analysis of a Sacred Forest near Gingee, Tamil Nadu, India" Doctoral Thesis.
  5. ↑ N. Balachandrani, 2* and K. Rajendiran (2016). "Cordia ramanujamii (Cordiaceae): new species from Tamil Nadu, India". Taiwania 61(2): 74 ‒77 2016.
  6. ↑ Balachandran, N, K. Rajendiran & W.F. Gastmans (2015) Occurrence of three Western Ghats elements in dry evergreen forest of Gingee Hills, Eastern Ghats of Tamil Nadu, India. Journal of Threatened Taxa 7(14): 8177–8181; http://dx.doi.org/10.11609/jott.2433.7.14.8177-8181
  7. ↑ Ramachandran, Muralidharan & Narasimhan, D. & Natesan, Balachandran. (2015). A new species of Hubera (Annonaceae) from Peninsular India. Phytotaxa. 205. 129-134. 10.11646/phytotaxa.207.1.8.
  8. ↑ "Deccan thorn scrub forests. DOPA Explorer. Accessed 29 July 2021. https://dopa-explorer.jrc.ec.europa.eu/ecoregion/41301
  9. ↑ Prasad, S. (2018) "Over 300 nests of grizzled giant squirrel spotted near Gingee". The Hindu. 7 May 2019. Accessed 3 May 2020.
  10. ↑ Kothandapani Raman, Sivangnanaboopathidoss Vimalraj, Bawa Mothilal Krishnakumar, Natesan Balachandran, and Abhishek Tomar (2019). "Range extension of the Gooty Tarantula Poecilotheria metallica (Araneae: Theraphosidae) in the Eastern Ghats of Tamil Nadu, India". Journal of Threatened Taxa, 26 August 2019 11(10): 14373–14376. www.threatenedtaxa.org.

12°10′55″N 79°17′23″E / 12.18194°N 79.28972°E / 12.18194; 79.28972

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