Corals

Coral reefs: strategies for ecosystems on the edge

Coral reefs have exceptional levels of biodiversity and provide important social and ecological services, including food, coastal protection, recreation, tourism, and cultural connections. However, local stressors and climate change are causing a sharp decline in coral reefs and the more than 230 international agreements with coral reef provisions have failed …

Coral disease prevalence in Mandapam group of islands, Gulf of Mannar, Southeastern India

Assessment of coral disease prevalence was carried out in six islands in the northern region of the Gulf of Mannar during February 2007. Assessment was made in two sites in each island and three transects were laid in each site. white band, white plaque, white spot, pink spot, black spot, …

Scientific synthesis of the impacts of ocean acidification on marine biodiversity

The surface ocean plays a critical role in the global carbon cycle, absorbing approximately one quarter of the carbon dioxide emitted to the atmosphere from the burning of fossil fuels, deforestation, and other human activities. As more and more anthropogenic CO2 has been emitted into the atmosphere, the ocean has …

Rich patch of coral reefs found

J. Praveen Paul Joseph Luxuriant: Gorgonids and Seagrass bed in Udangudi in coastal Manapad in Tuticorin district. Tuticorin: There is a rich patch of coral reefs, gorgonian (sea fan) and seagrass beds in the south off Tuticorin coast, according to a study conducted by Suganthi Devadason Marine Research Institute (SDMRI) …

Andamans, L'dweep may lose reef-building corals

Surinder Sud / New Delhi November 02, 2009, 0:49 IST Climate change to also majorly affect fish catches in our seas, rivers. Climate change and a rise in sea temperature may result in the disappearance of reef-building corals along the Lakshadweep and Andaman and Nicobar coasts in 10 to 50 …

The Ocean and climate change: tools and guidelines for action

This document provides an overview of the interactions between the ocean and climate and describes the impacts of climate change on the marine ecosystems and the goods and services they provide human society. Further, it outlines a set of recommendations for marine-related mitigation and adaptation policy and implementation actions. The …

The management of natural coastal carbon sinks

The IUCN report, The Management of Natural Coastal Carbon Sinks, launched at the climate change and protected area summit in Granada, Spain. The first in-depth study revealing the latest science of marine ecosystems, such as seagrass meadows, mangroves and salt marshes, shows that they have a much greater capacity to …

Gulf of Mannar losing islands

S M Arun |Thoothukudi, CORAL MINING: GULF OF MANNAR LOSING ISLANDSTHOUGH Gulf of Mannar is said to consist of 21 islands, the elite biosphere reserve has already lost two of its small islands taking the present tally to only 19 islands. The two small islands that submerged in the sea …

Climate Illiterate" U.S. Seen Risking Warming Inaction

U.S. wavering on climate commitment could undermine action to save the planet, the director of Germany's Potsdam Institute for Climate Impact Research said on the sidelines of a conference on Monday. Preserving the Greenland ice cap was the defining action needed to prevent several meters of sea level rise and …

Scuba diving adds impetus to marine conservation: NGO

S M Arun | SCUBA diving has begun to catch the attention of environmentalists in Tamil Nadu. People's Action for Development (PAD), an NGO at Vembar in Thoothukudi, is making scuba diving a reality for researchers and environmentalists. Scuba, acronym for Self- Contained Underwater Breathing Apparatus, is a device that …

A new lease of life for coral reefs

S M Arun | ENS FOUR years after mining of corals was stopped in the Gulf of Mannar (GoM), the highly endangered coral reefs in the region are finally showing signs of resurgence, according to research conducted by scholars at the Suganthi Devidason Marine Research Institute (SDMRI), Thoothukudi. The reefs …

The economics of ecosystems and biodiversity

The Economics of Ecosystems and Biodiversity (TEEB) study is a major international initiative to draw attention to the global economic benefits of biodiversity, to highlight the growing costs of biodiversity loss and ecosystem degradation, and to draw together expertise from the fields of science, economics and policy to enable practical …

Climate change science compendium 2009

This new UNEP report warns that the pace and extent of climate change may exceed even the most sobering expectations voiced by IPCC fourth assessment report. It is based on findings of more than 400 major peer-reviewed scientific studies & research institutions over the last three years. Climate Change Science …

Science & Technology - Briefs

health The Wnt pathway Scientists zeroed in on the gene responsible for multiple sclerosis, a disease in which the body

Global warming threatens Lakshadweep corals

Y. Mallikarjun HYDERABAD: The hard corals of Porites species, found in abundance in the blue-water lagoons of the picturesque Lakshadweep islands, are facing a threat to their existence. Global warming caused by high CO2 levels has retarded the growth of these corals, leading to fears that they might eventually disappear. …

Scientific synthesis on the impacts of Ocean acidification on marine biodiversity

The Secretariat of the Convention on Biological Diversity (CBD) is inviting participation in the peer review of the draft report

Bringing coral reefs back from the living dead

The world's embattled coral reefs provide habitat for some 9 million species, including 4000 kinds of fish. Roughly 100 million people in developing countries depend on reefs for subsistence fishing and tourism, estimates the Global Environmental Facility (GEF). The "rainforests of the sea," however, are threatened by human activity and …

Coral tradition loses shape

Disease, bleaching events killed corals in the Caribbean caribbean coral reefs have lost their complex structure and flattened over the past 40 years said a study by University of East Anglia in the UK. The marine population and fishing industry that depend on them feel the impact of this change …

Tuvalu Sets Goal of 100 Percent Clean Energy by 2020

Amid worsening climate change-related problems for small island states, Tuvalu has established a national goal of being powered entirely by renewable energy sources by 2020. Government officials and the donors of Tuvalu's first large-scale solar energy system alike hope the moves help inspire much larger nations later this year in …

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