Showing posts with label lichens. Show all posts
Showing posts with label lichens. Show all posts

Sunday, 20 December 2015

Some Observations - Growing Platycerium


Pic 1. July 2015
Pic 1. July 2015:  New shoots appeared on Guru Purnima Day. Some algae growing near too. 
Pic 2. December 2015
Pic 2. December 2015: The North East Monsoon started sometime in September and the rains continued through October...still going on with an occasional sunny day. Lichens have appeared near the base of some fronds.

Pic 3. December 2015
Pic 3. December 2015: Platycerium seems to be liking the showers and thunderstorms. Both the silvery copper fronds in the base and the green fronds which bear spores are growing well. The Lichens can be seen in the base.

Thursday, 4 June 2015

Miniature ecosystems like Lichens need clean air...

...are very sensitive to pollution.

Lichens are ecosystems of algae fungi microbes insects, live long for years; can survive inhospitable conditions like periods of drought, but not pollution in the air. 

Bark of Azardicta Indica (Neem) with lichens in a homestead in Thiruvananthapuram






Cat napping with Lichens on a tiled roof of an old house in Thiruvananthapuram
Some of the chemicals in air particulates which destroy lichens are Nitrogen di oxide, Sulphur di oxide, Hydrogen Fluoride, Peroxyacetyl nitrate (PANs), metals like nickel cadmium iron lead emitted by smelters and mines, radioactive elements…

Parmelia perlata,the stone flower lichen known as Kalpoovu in Malayalam, Shilapushp in Sanskrit is used as a spice in cooking and in many kashayams (concoctions of various ingredients) in many homes - some where traditional knowledge was passed from grandmothers, mothers to daughters.


Parmelia perlata was a common sight growing on rocks, stones… under the shade of the tall Artocarpus hirsutus trees in the sacred Hindu groves of many homesteads in Kerala.

Parmelia Perlata is now found mostly in the forests.

Saturday, 30 May 2015

Tonglu and Dhotrey Declared *National Biodiversity Heritage Sites* in 2015...

..home to the most striking lichens, the brilliant blossoms of rhododendrons, magnolias, the red panda once not so elusive, the rich repository of plant life, the fragrant air.....the wondrous Eastern Himalayas in India.

1. The National Biodiversity Authority, an Autonomous and Statutory Body of the Ministry of Environment and Forests, Government of India, in its website has recognized the importance of Tonglu covering an area of 230 hectares and Dhotrey covering an area of 180 hectares, both located in the Darjeeling District in West Bengal as *Medicinal Plant Conservation Areas*. 

2. On 21 April 2015, the Darjeeling Times had reported -

Tonglu and Dhotrey Declared - National Biodiversity Heritage Sites

'Taking into consideration the immense bio-diversity and natural wealth of the region, the National Biodiversity Authority (NBA) has declared Tonglu and Dhotrey as National Biodiversity Heritage Sites.

The declaration of this region as National Biodiversity Heritage Site will play an important role in conserving the unique and rare flora, fauna and insects that are currently poached and smuggled into China and other countries via Nepal.

Both these forest regions fall under Singhalila National Park, with Tonglu covering an area of 230 hectors, and Dhotrey covers 150 hectors.

Home to the elusive Red Panda and some of the most beautiful varieties of Rhododendrons, Singhalila National Park was recently declared one of the 7 Natural Wonders of the World - by Yahoo.'

References:
1.National Biodiversity Authority

2.Photograph from blog by Amlan
3.DarjeelingTimes.com - Darjeeling News

Wednesday, 20 May 2015

Days of heavy rainfall before the scheduled South West Monsoon

… and unusual blossoms.

The South West monsoon which hits Kerala is scheduled to begin in 1st June or end of May. A map of this year’s monsoon by the Indian Meteorological Department is given below.
 
The website of the Indian Meteorological Department is very interesting and informative.

This year the season rainfall from 1 March to 20 May was much higher than the normal rainfall in all the districts of Kerala. Thiruvananthapuram district recorded 598.1mm of rainfall . The normal rainfall during this period is 277 mm. The percentage departure is 116% -an excess

Last year in 2014 the premonsoon rainfall was normal in all the districts of Kerala except in Thiruvananthapuram and Wynad which showed an excess percentage of departure.

The excess rainfall in all the districts of Kerala, this year has brought flooding of rainwater into homes. Many roads and streets are still waist-deep with water. There is coastal erosion causing  havoc to human life, much before the scheduled monsoon.

The laterite soil sprung some wonders after the first heavy downpour.

Fire Ball Lily / Foot Ball Lily (Haemanthus multiflorus)
Where did the bulbs come from ? 
There was a surprise from an old coconut tree. An Ipomea growing from within its narrow hollow gave forth blossoms. The lichens still linger on the old coconut trees.
An Ipomea growing from within an old coconut tree, blossoms
Reference: 
1. Indian Meteorological Department (Ministry Earth Sciences, Government of India)