ENVIS Centre, Ministry of Environment & Forest, Govt. of India

Printed Date: Saturday, August 24, 2019

FAQs

What does ENVIS stands for?
ENVIS Stands for Environment Information System.
 
 What is ENVIS ?
 
ENVIS is a decentralized system with a network of distributed subject oriented centre’s ensuring integration of national efforts in environmental information collection, collation, storage, retrieval and dissemination to all concerned. The focus of ENVIS since inception has been on providing environmental information to decision makers, policy planners, scientists and engineers, research workers, etc. all over the country.
 
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What are the plants indicator for Pollution?
Plant are more sensitive to pollution than human and can serve as indicators and resistant species as accumulators which collect large amount of pollutants without being damaged. Many chemicals, fertilizers, pesticides and fossil fuels release toxic substances into the environment which are absorbed by the plants from air , water and soil. Atmospheric pollutants produced from automobiles, industrial fumes and strong radiations are dangerous to plants. Harmful substances that reach plants through air are CO2 , SO2, NO2, Hydrocarbons , dust and smoke. Plants growing in water are severely affected by toxic chemicals like cynide , chlorine , hypochlorate , phenol , benzyl derivatives and heavy metal compounds present in sewage .
The effects of different kinds of pollution can be determined by the nature of pollutants , there and the period of exposure. Under exposure to high concentration, plants suffer acute injuries with externally visible symptoms such as chlorosis, discoloration, necrosis and death of entire plant. Besides morphological changes, Chemical, biochemical, such as enzymatic parameter, physiological and fine structural changes also occur in the affected plants.
Mosses, lichens and some fungi are more sensitive to SO2 for long time. Mercury concentration in Festuca rubera grass may be due to chloroalkali setup and lead (Pb) in leaves is increased due to automobile exhaust. Polygonum, Rheum, Vicia, Phaseolus and Capsella are important pollution indicators.
   
What are the plants indicators for Mineral ?
The plants which indicate the presence of characteristics minerals in the soil are called metallophytes, for example - Vallozia candida grows in the presence of diamond in soil. Equisetum arvensis, Lonicera confusa, Papaver libonticum, Thuja            species indicate the presence of gold mineral in the soil. Eriogonum ovafolium indicates the presence of silver mineral in soil. Stellaria setacea grows in mercury rich soil. Astragalus spp. indicate presence of uranium. Viscaria alpina indicates            copper minerals. Viola calaminaria, V.lutea are indicators for zinc presence. Salsola nitrata, Euro ceatoides grow in boron rich soil.Dammara ovata, Dacrydium are indicators for iron mineral. Ilex aquifolium grows in aluminium rich soil.
 
 
 Is there any plant indicator for Ground water?
Certain plant communities indicate the depth of ground water e.g., Euphorbia caducifolia . Capparis decidua , Acacia senegal, Anogeissus pendula, Salvadora persica, Panicum turgidum, Tamarix and Ziziphus spp.
 
What are the plants indicator for Humus ?
Some plats act ac humus indicator. Monotropa ,Neottia and mashrooms indicate thee prence of humas in soil. Strodilanthes and Impatiens indicate the presence of high humus or litter.
 
 What are the plants indicator for Soil type?
Many plants indicate the characteristics of soil. For exmaple, Casuarina equisetifolia , Citrullus colocynthis and Tanicum spp. grow in sandy soil. Imperata cylindrica and Vetivria grow on clayey soil. Cotton prefers to grow in black soil.
 
Indian hotspot and number of endemic species of higher plants?
 
Sl.No.
Hot Spot Region
No. of  Endemic Species
of Higher plants
1
Cape Region (South Africa)
6000
2
Upland Western Amazonia
5000
3
Atlantic Coastal Brazil
5000
4
Madagascar
4900
5
Philippines
3700
6
North Borneo
3500
7
Eastern Himalaya (India)
3500
8
South West Australia
2830
9
Western Ecuador
2500
10
Colombian Chocó
2500
11
Peninsular Malaysia
2400
12
Californian Floristic Province
2140
13
Western Ghats (India)
1600
14
Central Chile
1450
15
New Caledonia
1400
16
Eastern Arc Mountains (Tanzania)
535
17
South -West Sri Lanka
500
18
South - West Cote d'lvoire
200
 
What is the estimated endemic species from different group of plants in India?
 
Sl.No.
Group of Plants
Total No. of species in India (±)
No. of endemic species (±)
Percentage (±)
1
Marine algea
624
63
1
2
Fungi
14500
3500
24
3
Lichen
2000
466
23
4
Liverwort
850
260
30
5
Moss
2000
678
34
6
Pteridophyte
1200
193
16
7
Gymnosperm
48
7
2
8
Angiosperm
17500
6200
36
 
Ambient Noise Standards
Noise (ambient standards) published in the Gazette No. 643 dt 26.12.89, succeeded by The Noise pollution (Regulation and Control) rules, 2000 (Gazette of India, vide SO123(E), dated 14.2.2000 and subsequent amended vide SO 1046(E) dated, 22.11.2000).
 
Area Code
Category of area
Limits in dB (A) Leq
 
Day time
Night time
A
Industrial area
75
70
B
Commercial area
65
55
C
Residential area
55
45
D
Silence zone
50
40
 
Note-1: Day time reckoned in between 6.00 am to 9.00 p.m
Note 2: Night time reckoned in between 9.00p.m. To 6.00am
Note 3: Silence zone is defined as areas up to 100 meter around such premises as Hospitals, Educational institutes, and Courts. The Silence zones are to be declared by the competent authority.
Note 4: Mixed categories of areas should be declared as "one of the four above mentioned categories" by the Competent Authority and the corresponding standards shall be applied.
 
ISBEID stands for?
Indian State – level Basic Environmental Information Database, basically a database which holds the basic information about the status of environment in states of India in numerical form.
 
How to get data from ISBEID?
To extract data from ISBEID data base go to the link and click MIS report fill and select data filters and press view user can download available data in word, PDF or in excel format.
 
Is the data available in database is authentic?
Yes’ the data available in the database is purely authentic as data is collected from the government departments and sources has been described.
 
Who to contact for data and other informations regarding forest, environment and Climate change?
User can freely mail their queries on jharenvis.nic.in or visit Jharkhand Envis Centre, van Bhawan Doranda, Ranchi.
 
How to start working with Jharkhand Envis Centre as a collaborative NGO?

 

Visit: O/o CF, Plantation Research and Evaluation, Jharkhand, Ranchi. Forest, Environment and Climate Change Department, Van Bhawan, Doranda, Ranchi.