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Subject: Biodiversity

1. Ecology & Ecosystems
2. Indian Biodiversity

  • Species in news: Eurasian Otters

     

     

    Researchers conducting a study in Odisha’s Chilika Lake have found the presence of a viable, breeding population of Eurasian Otters, a fishing cat in the brackish water lagoon.

    Eurasian Otters

    • IUCN Status: Near Threatened
    • Species in India: Smooth-coated, Asian small-clawed and Eurasian Otters
    • Habitat: Smooth-coated — all over India; Asian small-clawed — only in the Himalayan foothills, parts of the Eastern and southern Western Ghats; Eurasian — Western Ghats and Himalayas.
    • Diet comprises several small animals, mainly crabs and small fishes.
    • Lives in small packs, is mostly nocturnal, but can be diurnal in areas which are less disturbed.
  • Pakke Tiger Reserve

     

    The government in Arunachal Pradesh is planning to build a 692.7 km highway through the 862 sq km Pakke Tiger Reserve (PTR). Named the East-West Industrial Corridor, the highway aims to connect Bhairabhunda in West Kameng district and Manmao in Changlang district along Arunachal Pradesh’s border with Assam.

    About Pakke Tiger Reserve (PTR)

    • Pakke Tiger Reserve, also known as Pakhui Tiger Reserve, is a Project Tiger reserve in the East Kameng district of Arunachal Pradesh.
    • The 862 km2 reserve is protected by the Department of Environment and Forest of Arunachal Pradesh.
    • This Tiger Reserve has won India Biodiversity Award 2016 in the category of ‘Conservation of threatened species’ for its Hornbill Nest Adoption Programme.
    • It falls within the Eastern Himalaya Biodiversity Hotspot.
  • Species in news: Senna spectabilis


    The Kerala Forest Department is planning to adopt steps to arrest the rampant growth of invasive plants, especially Senna spectabilis, in the forest areas of the Nilgiri Biosphere Reserve (NBR).

    Senna spectabilis

    • The Senna spectabilis species was planted as avenue trees in Wayanad. The vayal ecosystem (marshy land) of the forest area now has this plant in large numbers.
    • The spread is posing a major threat to the forest areas of the reserve, owing to its quick growth and coppicing character.
    • The tree species was found in nearly 10 sq km area of the 344.44 sq km sanctuary around five years ago.
    • The plant has started to invade the adjacent Bandipur and Nagarhole tiger reserves in Karnataka and the Mudumalai tiger reserve in Tamil Nadu.
    • Now, it had invaded to more than 50 sq km of the sanctuary Wayanad WLS.
    • A recent study of the Ferns Nature Conservation Society recorded the presence of the plant in 78.91 sq km area of the sanctuary.

    Impact

    • An adult tree grows up to 15 to 20 metres in a short period of time and every year distributes thousands of seeds after gregarious flowering.
    • The thick foliage arrests the growth of other indigenous tree and grass species and causes food shortage for the wildlife population, especially herbivores.
    • Moreover, wildlife will not feed on the leaf of the treeas it is not palatable for them.
    • The allelochemicals produced by this plant adversely affect the germination and growth of the native species.
  • Primer To Environmental Issues


     

    Since the advent of Industrial revolution humankind has been exploiting the nature like never before. Forests and trees are cut to make way for agriculture land, large factories, transport vehicles etc emit lots of CO2 and other gases and pollutants. But it was all forgotten as it came with immense prosperity.

    But since the 2nd half of 20th century, citizens world over started getting conscious of this unbridled exploitation of nature. There were also signs suggesting this exploitation was unsustainable and harming us. That even the climate was changing.

    Climate is the weather conditions prevailing in an area in general or over a long period. Climate of any region is generally stable. Climate change is changes in that stable climate due to anthropocentric or natural factors.

    In 1966, the World Meteorological Organization  (WMO) proposed the term climatic change to encompass all forms of climatic variability on time-scales longer than 10 years, whether the cause was natural or anthropogenic. But soon it was realized that major factor was human intervention and since then we are concerned about anthropogenic climate change.

    International Conferences on Environment 


     

    UN conference on Human Environment (UNCHE):-

    • An international conference under the UN aegis in 1972- UN conference at Stockholm to discuss issues realted to environment and development
    • came out with a declaration containing 26 principles concerning environment and development
    • led to creation of UN Environment Programme (UNEP)- an agency of United Nations with HQ in Nairobi, Kenya, which coordinates its environmental activities and assist developing countries in implementing environmentally sound policies

    World Commission on Environment and Development (WCED)-

    • As things did not change much after UNCHE and its Declaration remained on paper, UN set up a commission in 1984 to give a report on environment and development, World Commission on Environment and Development (WCED) – Brundtland Commission <after its chairperson Norwegian PM’s name>
    • Came out with the report Our Common Future in 1987 and enunciated the concept of sustainable development
    • Gave the most iconic definition of that concept to this date

    Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs

    Note that the definition contains two key concepts-

    • the concept of needs, in particular the essential needs of the world’s poor, to which overriding priority should be given; and
    • the idea of limitations imposed by the state of technology and social organization on the environment’s ability to meet present and future needs <so called carrying capacity>

    In 1988, UNEP <set up after UNCHE) and WMO set up an organization called IPCC – Intergovernmental Panel on Climate change which analyses and synthesizes scientific literature available on climate change and produces assessment reports (1st in 1990, 2nd 1995, 3rd- 2001, 4th- 2207, 5th -2014)

    UN Conference on Environment and Development (UNCED)-

    Brundtland commission report resulted in landmark 1992 summit, UN Conference on Environment and Development (UNCED) at Rio De janeiro <What is Brazil’s capital?>, also k/a Earth Summit

    It resulted in 3 legally binding documents –

    1. UN framework convention on Climate Change (UNFCC) <entered into force in June 1994> <1st assessment report of IPCC had already come out in 1990>
    2. UN Convention on Biological Diversity (UNCBD) <entered into force in DEC 1993>
    3. UN convention to Combat Desertification (UNCCD) <entered into force in Dec 1996>

    The summit also resulted in 3 non-binding documents

    1. Rio Declaration on Environment and Development
    2. Agenda 21 <21 is agenda for 21st century, UNCCD was the result of direct recommendation of Agenda 21>
    3. Forest Principles

    World Summit on Sustainable Development (WSSD)-

    • 10 years after 1st earth summit, another Summit took place, this time in Johannesburg , known as World Summit on Sustainable Development (WSSD).
    • US boycotted the summit and I don’t need to tell you the fallout of that

    UN conference on Sustainable Development (UNCSD)

    • Another earth summit was convened 10 years later, this time again in Rio, UN conference on Sustainable Development (UNCSD). <Are you following that they are changing the name of summits and if you don’t pay close attention, you can mark an MCQ incorrect.>
    • Primary Outcome of the summit was the non binding document <documents of every summit were non binding> The Future We Want
    • Summit also Proposed Sustainable Development Goals (SDGs) to replace Millennium Development Goals (MDGs) in 2015. <MDG were agreed upon at the UN’s millennium summit in 2000>

    Meeting of parties to UNFCC

    Meanwhile after coming into force of UNFCC in 1994, various parties (nations) to the conference started meeting every year to come to a legally binding document to reduce GHG to  a level that would prevent dangerous anthropogenic interference with the climate system.

    Kyoto Protocol –

    • In 3rd such meeting in 1997, called CoP 3 (3rd Conference of Parties) at Kyoto, Japan, Parties came to a conclusion and Kyoto Protocol was signed <entered into force in 2002> <there are frameworks/conventions and under them there are protocols which contain detailed legally binding provisions>
    • Basic objective was to reduce emission of anthropogenic GHG to limit global warming. It followed the principles of UNFCC such as Common But Differential Responsibility and Respective Capabilities (CBDR-RC)
    • USA never ratified the KP, Canada walked out in 2011. But anyway 1st commitment period followed from 2008-2012.
    • 2nd Commitment period is from 2012 to 2020 in which only 37 countries have binding targets. <Japan, NZ and Russia participated in 1st commitment period but not in 2nd>

    As KP clearly seemed to be failing, negotiation started for separate treaty under UNFCC for measures to be taken after 2020 resulting in Paris Agreement of Dec. 2015.

    Meeting of Parties to CBD

    Similarly Parties to CBD started meeting since 1994 <they meet every 2 years while UNFCC parties meet every year>. Convention has 3 main goals <UNFCCC only 1 – Climate change>

    1. conservation of biological diversity
    2. sustainable use of its components; and
    3. fair and equitable sharing of benefits arising from genetic resources

    Cartagena Protocol – At COP 5 in 2000, they adopted Cartagena protocol on Biosafety –  to protect biological diversity from the potential risks posed by living modified organisms resulting from modern biotechnology..

    Nagoya Protocol– In 2010 they adopted -Nagoya Protocol on Access to Genetic Resources and the Fair and Equitable Sharing of Benefits Arising from their Utilization

    UN declared the decade 2010-2020 as decade of biodiversity

    UN convention to Combat Desertification

    • UNCCD is  the only internationally legally binding framework set up to address the problem of desertification
    • The Convention is based on the principles of participation, partnership and decentralization
    • in 1994 treaty signed to prevent and reverse land degradation
    • in 2009, agreed on 11 indicators to measure progress towards the goal of reducing land degradation
    • In 2013 Canada withdrew from this convention as well

    Montreal Protocol – A similar environmental  issue which came into prominence in 1980s was ozone hole or ozone depletion. To recover lost ozone, in 1987 Montreal Protocol(to Vienna convention) on substances that deplete ozone was signed and it was a remarkable success.

    Many other international organization sprang up in 80s and 90s to protect environment and biodiversity. Many other conventions were also signed. Some of them are –

    1. Stockholm Convention on Persistent Organic Pollutants (POPs)
    2. Minamata Convention on Mercury
    3. Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and Their Disposal
    4. Rotterdam Convention on the Prior Informed Consent Procedure for Certain Hazardous Chemicals and Pesticides in International Trade
    5. Vienna Convention on Civil Liability for Nuclear Damage
    6. Ramsar Convention on Wetlands <where is Ramsar?>
    7. Bonn convention on  Convention on the Conservation of Migratory Species of Wild Animals<Capital of East and West Germany?>
    8. Convention on International Trade in Endangered Species of Wild Fauna and Flora, Washington Convention

    Before we end this chapter, a brief summary

    • 1972 – UN conference on Human Environment at Stockholm, Formation of UNEP
    • 1987- World Commission on Environment and Development (WCED)-Brundtland commission, report- Our Common Future, Defined Sustainable Development
    • 1987 – Montreal Protocol to Vienna Convention
    • 1988 – WMO and UNEP together formed IPCC
    • 1992 – UN conference on Environment and Development / earth summit at Rio, led to UNFCC, UNNCCD, CBD
    • 1997 – Kyoto Protocol
    • 2002 – World Summit on Sustainable Development /Rio + 10 at Johannesburg
    • 2012 – UN conference on sustainable development/ Rio + 20, report – future we want, SDGs

    Plz note that in the pic above, conference of 1972 and 1992 are interchanged. Learn what is written in text.

    In the subsequent articles we would now discuss these issues (climate change, ozone depletion, acid rain, air pollution. biodiversity etc) in detail.