AQUATIC ECOSYSTEM

  Fresh water ecosystems- The salt content of fresh bodies is very low, always less than 5 ppt  (parts per thousand). E.g lakes, ponds, pools, springs, streams, and rivers Marine ecosystems – the water bodies containing salt concentration equal to or above that of sea water (i.e., 35 ppt or above). E.g shallow seas and … Read more AQUATIC ECOSYSTEM

DMPQ- Recently ‘Green Crackers’ term was in the news. What do you understand by the term Green Crackers?

They do not contain harmful chemicals that would cause air pollution.  Components are replaced with others that are less dangerous and less harmful to the atmosphere.  The idea was carried forward by a network of CSIR labs.  The team came up with 3-4 formulations and looked at 30-40% of active materials which reduce particulate matter.  … Read more DMPQ- Recently ‘Green Crackers’ term was in the news. What do you understand by the term Green Crackers?

DMPQ-United Nations Framework Convention on Climate change

The UN Framework Convention on Climate Change (UNFCCC) is an intergovernmental treaty developed to address the problem of climate change. The Convention, which sets out an agreed framework for dealing with the issue, was negotiated from February 1991 to May 1992 and opened for signature at the June 1992 UN Conference on Environment and Development … Read more DMPQ-United Nations Framework Convention on Climate change

DMPQ: Man-animal conflict is on rise. What are the causes of Conflicts also mention the impacts of Man-animal conflict. (Envt)

Human-wildlife conflict refers to interaction between wild animals and people and resultant negative impact on people or their resources, or wild animals or their habitat.  According to data from the Ministry of Environment, Forests and Climate Change, conflict with wild animals (mostly elephants and tigers), has killed more than 1,100 people across India between 2014 … Read more DMPQ: Man-animal conflict is on rise. What are the causes of Conflicts also mention the impacts of Man-animal conflict. (Envt)

DMPQ: In recent years, the national capital Delhi and adjoining areas have experienced alarmingly poor air quality starting winter. What are the possible solutions to address this situation? ( envt.)

The solution can be divided under two heads one short term and other medium and long term solutions. SHORT term solutions: Strict enforcement through heavy penalties on agriculture waste burning using based tools detecting fires Incentive to farmers for not buring crop residue. Coordination across states and NCR.   Long term solutions: Implement congestion pricing … Read more DMPQ: In recent years, the national capital Delhi and adjoining areas have experienced alarmingly poor air quality starting winter. What are the possible solutions to address this situation? ( envt.)

Discuss the possibilities of non- Conventional energy in India. 6 marks 2007

India has a capacity to develop about 1,95,000 MW of non-conventional energy resource. India was the first country in the world to set up a ministry of non-conventional energy resources, in early 1980s.Various form of non-conventional energy being harnessed in India are as follows:- Solar:- India receives sunlight for 300 days/year and thus has a … Read more Discuss the possibilities of non- Conventional energy in India. 6 marks 2007

FOREST ECOSYSTEM

Forest ecosystem includes a complex assemblage of different kinds of biotic communities. Optimum conditions such as temperature and ground moisture are responsible for the establishment of forest communities. Forests may be evergreen or deciduous which are distinguished on the basis of leaf into broad-leafed or needle leafed coniferous forests in the case of temperate areas. … Read more FOREST ECOSYSTEM

GRASSLAND ECOSYTEM

  found where rainfall is about 25-75 cm per year, not enough to support a forest, but more than that of a true desert. vegetation formations that are generally found in temperate climates. In India, they are found mainly in the high Himalayas. The rest of India’s grasslands aremainly composed of steppes and savannas. Steppe … Read more GRASSLAND ECOSYTEM

DMPQ- Write a short note on Joint forest Management.

Joint Forest Management (JFM) is an approach wherein state forest departments support local forest dwelling and forest fringe communities to protect and manage forests and share the costs and benefits from the forests with them. The Government of India consolidated the intervention on participatory forest management through the National Forest Policy, 1988, and then through … Read more DMPQ- Write a short note on Joint forest Management.

DMPQ:Write a short note on the BASEL convention on trans boundary movement of Hazardous waste, 1989.

. The industrialized world in the 1980s had led to increasing public resistance to the disposal of hazardous wastes – in accordance with what became known as the NIMBY (Not in My Back Yard) syndrome– and to an increase of disposal costs. This in turn led some operators to seek cheap disposal options for hazardous wastes … Read more DMPQ:Write a short note on the BASEL convention on trans boundary movement of Hazardous waste, 1989.