Odisha coastline Flashcards

1
Q

What are the distinctive aspects of the Odisha coastline?

A
  • 480km long
  • 6 major deltas (hexadeltic)
  • 7 rivers eg. Mahandi river
  • 1435km2 mangrove forest
  • Chilika lake - brackish and salty lagoon home to a wide range of birdlife
  • significant sediment store
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the opportunities for development and human occupation at the Odisha coastline?

A
  • tourism - coastal beaches and wildlife sanctuaries
  • large stocks of fish, reptiles and marine mammals - locals employed in fishing and aquaculture
  • potential for tidal, wind and wave energy sources
  • offshore oil, natural gas, seabed mining
  • cultural and archeological sites
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the risks for development and human occupation at the Odisha coastline?

A
  • rapid rates of erosion - 36% coastline is eroding, only 14% is stable
  • most erosion is in the south - sea walls and rock armour in place to protect infrastructure and ports
  • dense mangrove vegetation in Bhadrak and Beleshwar - levels of accretion are more than 50% higher than anywhere else
  • increased threat from storm surges/tsunamis/sea level rise
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How are tropical cyclones mitigated against at the Odisha coastline?

A
  • frequency and intensity of cyclones will increase due to climate change

eg. October 2013 - cyclone Philian, 1 million evacuated, 44 dead, 500,000 hectares of agricultural crops destroyed, $700,000 economic losses

  • mitigation strategies include ICZM, relief supplies, broadcast warnings, conducted stages evacuations
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What management is being used at the Odisha coastline?

A
  • recent decades - considerable loss of mangroves due to development of fisheries and economic demands - decrease from 5.1km to 1.2km
  • rising sea levels and increased frequency and intensity of cyclones means integrated management is essential
  • ICZM
  • cultivate and plant mangroves along the coastline and banks of tidal rivers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What objective does the ICZM at the Odisha coastline have?

A
  • management of coastal erosion
  • vulnerability to disaster
  • biodiversity conservation
  • livelihood security
  • environmental quality management
  • conservation of cultural assets
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Why is the ICZM needed?

A
  • huge increase in demand for infrastructure and overexploitation of natural resources due to tourism, rapid urban industrialisation, mining, and oil and gas production
  • such rapid depletion, unless arrested, will impact the livelihood, health and wellbeing of the population
  • accelerated coastal erosion due to climate change and rising sea levels, and increasing frequency and intensity of storm surges
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the aim of the ICZM?

A

coordination of activities of various stakeholders in an integrated approach for the sustainable usages of the coastal natural resources maintaining the natural environment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly