Fisheries

  • The Mahanadi delta in Odisha is a composite delta fed by water, sediments and nutrients from a network of three major rivers: Mahanadi, Brahmani and Baitarini. The coastline of the delta is approximately 200 km long, extending from the Chilika lagoon in the south to the Dhamara river in the north. I...
    Amita Bhaduriposted 4 months 1 week agoread more
  • The water crisis in Karnataka has not only led to severe agrarian distress in the eastern plains region but also created an acute shortage of domestic water, in both rural and urban areas. The 21st century has seen significant changes in demography, economy and agriculture, increasing the demand for...
    aarti kelkar kh...posted 4 months 1 week agoread more
  • Environment Ministry notifies new wetland conservation rules The Environment Ministry has notified new conservation rules that prohibit setting up or expansion of industries, and disposal of construction and demolition waste within the wetlands. The ministry has also ordered all the state and union...
    swatiposted 4 months 2 weeks agoread more
  • Development and its impact on the environment has long been a contentious issue in India, where lack of adequate monitoring and control mechanisms have led to severe degradation of land, water and forest resources. Mining activities in Goa have not only poisoned its land and water, but also affected...
    aarti kelkar kh...posted 6 months 1 week agoread more
  • Punjab, riding high on pesticides Pesticide use continues to be very high in agriculture in India, where estimated annual production losses due to pests amount to approximately US$ 42.66 million per year. Pesticides are chemical compounds that kill pests such as insects, rodents, fungi an...
    aarti kelkar kh...posted 6 months 1 week agoread more
  • I have a pond in Murthal, Sonipat district and my borewell water parameters shows 1530 ppm of TDS and 6.2 - pH. I want to reduce the TDS level upto 500 - 700 ppm for fish farming and pearl farming. The TDS level of water in this area has increased significantly in the past few years and I am looking...
    Anonymous (not verified)posted 7 months 11 hours agoread more
  • Soon a national framework for e-flows in all major rivers To ensure minimum and uninterrupted flow of water round-the-year in rivers across the country, the government is working to have a national framework for implementation and monitoring of e-flows (environmental flows) in all major rivers. The...
    swatiposted 7 months 1 week agoread more
  • Loktak, the largest freshwater lake in North East India is also known as the ‘floating lake’ for the numerous phumdis or masses of vegetation it supports. The phumdis float around on the lake’s surface due to decay from the bottom. Some are so large that the indigenous fishing folk Meitei...
    Amita Bhaduriposted 7 months 2 weeks agoread more
  • The Water Future Conference in Bangalore last week, saw many from the scientific community, academia, research, civil society and the media come together to discuss the state of water resources across the world and in India, as well as future pathways and scenarios, and different technological and i...
    priyadposted 8 months 5 days agoread more
  • A recent report by Shailendra Yashwant for Oxfam India looks at India’s ingenious ways of harvesting, storing and distributing water from the Kuhls in Himachal Pradesh that channel water from Himalayan glaciers, and the Dongs of Assam to the Aghers in Arunachal Pradesh, the Pynes of Bihar. India h...
    Amita Bhaduriposted 8 months 1 week agoread more
  • Reservoir levels increase to 85 percent of overall capacity this year According to the latest report of the Central Water Commission (CWC), the live storage available in the 113 reservoirs monitored by it, is 85 percent of the total live storage capacity of these reservoirs. The storage is around 2...
    swatiposted 8 months 1 week agoread more
  • While enhanced irrigation coverage has been hailed as an important way to improve agricultural productivity, it continues to lag behind in India and agriculture continues to be rainfed, subject to the vagaries of the monsoon. High groundwater dependence for irrigation has not only led to its depleti...
    aarti kelkar kh...posted 8 months 3 weeks agoread more
  •  The East Kolkata Wetlands (EKW) are a truly unique ecosystem, presenting a very different sight from the normal urban landscape in India. What is so unique and different about them, and how have they survived the aggressive growth of Kolkata city? The credit goes to Dr. Dhrubajyoti Ghosh, a...
    aarti kelkar kh...posted 9 months 4 weeks agoread more
  • Alarming decline in global freshwater fish species: IUCN The International Union for Conservation of Nature (IUCN)’s Red List reports an alarming decline in global freshwater fish species. Over half of Japan’s endemic freshwater fishes and more than a third of freshwater fish in Mexico are faci...
    swatiposted 10 months 1 week agoread more
  • New Delhi, June 25 (India Science Wire): A new study by Wildlife Conservation Society-India has emphasised the need for awareness campaigns, involvement of local stakeholders in decision-making and empowerment of authorities to help promote protection of marine species.  The study, based on a ...
    priyadposted 11 months 1 week agoread more
  • India is on the brink of a major water crisis. With drought looming over the southern and western parts of the country, the existing water resources are in peril. Rivers are getting more polluted, their catchments, water-holding and water-harvesting mechanisms are deteriorating and groundwater level...
    aarti kelkar kh...posted 1 year 1 month agoread more
  • Navigation lock at Farakka Barrage redesigned for Hilsa migration This monsoon, the Hilsa fish will be able to swim down the Ganga all the way up to Allahabad from the Bay of Bengal. The migration of the fish till Allahabad had been stopped after the Farakka Barrage was built on the ...
    swatiposted 1 year 3 months agoread more
  • A five-year study conducted in the Sundarbans region has found that the rising water salinity level is threatening the habitat of Gangetic river dolphins.  The survey was conducted in the lower stretch of river Hooghly, covering a 97-km stretch of the western, central and eastern Sundarbans in...
    arathiposted 1 year 4 months agoread more
  • Uday Mandrekar (40) is a popular boatman on the Chorao island of Goa. He is known for his formidable knowledge on birds in the area so much so that he is often referred to as the bird man of Chorao. He is a private boatman and a tourist guide who can take you deep into the mangroves and waterways of...
    makarandpurohitposted 1 year 5 months agoread more
  • Until a few decades ago, the Ganga flowed with gay abandon and descended with rapidity into the plains. Today the waters have withdrawn from its banks and downstream of the hydropower and irrigation projects that have hindered its flow, the Ganga is totally dry. The demand to restore and maintain t...
    Amita Bhaduriposted 1 year 5 months agoread more

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Much of the Mahanadi's deltaic coast is experiencing varying degree of erosion, a situation which is expected to worsen by 2050.

The Mahanadi delta in Odisha is a composite delta fed by water, sediments and nutrients from a network of three major rivers: Mahanadi, Brahmani and Baitarini. The coastline of the delta is approximately 200 km long, extending from the Chilika lagoon in the south to the Dhamara river in the north. It has five coastal districts - Puri, Khordha, Jagatsinghpur, Kendrapara and Bhadrak which constitute 83% of the delta area and have large areas below the five metre contour where floods due to cyclones and sea-level rise are common.

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The Karnataka Jnana Aayoga (KJA) set up a Task Group to draft a new water policy for Karnataka in December 2017 and the report is now in public domain. What are the suggestions that the report makes?

The water crisis in Karnataka has not only led to severe agrarian distress in the eastern plains region but also created an acute shortage of domestic water, in both rural and urban areas. The 21st century has seen significant changes in demography, economy and agriculture, increasing the demand for water in the state. Expanding irrigation and urbanisation, possibly have also had a negative impact on river basins and water conflicts are seeing a rise in the state. All these developments have substantially complicated and aggravated the water challenges in Karnataka.

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Policy matters this week

Environment Ministry notifies new wetland conservation rules

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A study finds that weak environmental assessment reporting on the adverse impacts of mining has spelled doom for Goa’s environment.

Development and its impact on the environment has long been a contentious issue in India, where lack of adequate monitoring and control mechanisms have led to severe degradation of land, water and forest resources. Mining activities in Goa have not only poisoned its land and water, but also affected livelihoods by negatively impacting agriculture, fisheries and forests.

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Excessive and unregulated pesticide use has not only poisoned the soil, water and environment in villages in Punjab’s Malwa region – it has also increased health risks for the people.

Punjab, riding high on pesticides

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I have a pond in Murthal, Sonipat district and my borewell water parameters shows 1530 ppm of TDS and 6.2 - pH. I want to reduce the TDS level upto 500 - 700 ppm for fish farming and pearl farming. The TDS level of water in this area has increased significantly in the past few years and I am looking for a solution to counter this situation. Also need suggestion, if this water treatment affects the growth of live stocks in any way. Appreciate for the suggestions and solutions.

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News this week

Soon a national framework for e-flows in all major rivers

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A study using remote sensing techniques assesses significant changes in land use in Loktak lake.

Loktak, the largest freshwater lake in North East India is also known as the ‘floating lake’ for the numerous phumdis or masses of vegetation it supports. The phumdis float around on the lake’s surface due to decay from the bottom. Some are so large that the indigenous fishing folk Meiteis have constructed makeshift floating huts locally known as phumsangs on them.

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The recently concluded 4 day conference in Bangalore looked at the current state of global water resource challenges & future pathways to achieve the SDGs, while ensuring equity in access to all.

The Water Future Conference in Bangalore last week, saw many from the scientific community, academia, research, civil society and the media come together to discuss the state of water resources across the world and in India, as well as future pathways and scenarios, and different technological and institutional solutions to accelerate the implementation of the water SDGs and the 2030 Agenda targets, leaving no one behind.

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New report documents India’s rich traditions of water harvesting and sustainable use.

A recent report by Shailendra Yashwant for Oxfam India looks at India’s ingenious ways of harvesting, storing and distributing water from the Kuhls in Himachal Pradesh that channel water from Himalayan glaciers, and the Dongs of Assam to the Aghers in Arunachal Pradesh, the Pynes of Bihar.

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