Coral reefs are in dramatic global decline, with seaweeds commonly replacing corals. It is unclear, however, whether seaweeds harm corals directly or colonize opportunistically following their decline and then suppress coral recruitment.

J. Praveen Paul Joseph

Tuticorin: Seaweed cultivation reduces impact of global warming, as it has the ability to absorb carbon dioxide, according to M. Sakthivel, president, Aquaculture Foundation of India, Chennai.

Seaweeds containing 62 minerals and having medicinal values is a wonder plant of the sea.

Comparative study of heavy metals in forty species of red seaweed belonging to twenty six genera from three different coastal areas (Buleji, Paradise Point and Nathia Gali) of Karachi, Arabian Sea was carried out over the period of three years. There is high variability in metals concentration with in, seaweed species, sampling sites and collection time.

Manakkudy estuary, located on the South-West coast of India has production of seaweeds to an amount of 15.59 kg/m2/yr. Four different types of seaweeds viz., Chaetomorpha aerea, Enteromorpha compressa, Gracilaria verrucosa and Hypnea musciformis were observed in this estuary. Highest production of biomass (C. aerea = 842.33

environmental sciences Foster care The large blue butterfly, Maculinea arion, knows how to fool ants into raising their caterpillars. But when the ant, Myrmica sabuleti, disappear there survival is at stake, a study has shown. The butterfly lays eggs on thyme flowers and the caterpillars fall on the ground after hatching. Thanks to a chemical caterpillars secrete, ants mistake them for

Hrusikesh Mohanty / Berhampur July 1, 2009, 0:41 IST

For the first time in Orissa, seaweed cultivation has started on an experimental basis. Red algae, a seaweed and a potential source of the phycocolloid agar, has been cultivated in Langaleswar village near Khallikote, off Ganjam coast with the involvement of members of the women self help groups (SHG).

Kappaphycus Alvarezii is a source of livelihood in the Gulf of Mannar region, but with speculation that it might be bio-invasive, the onus lies with the Government of TamilNadu to strike the right balance.

BERHAMPUR: More than 10,000 families in Philippines earn their daily bread through seaweed farming. Seaweed cultivation can reap similar fruits in the coastal district of Ganjam where a large population, along the coasts, depends on fishing and its related activities.

An effort in southern India to raise coastal farmers out of poverty by paying them to cultivate red algae for a food additive has gone awry.

a seaweed from Japan being cultivated in Tamil Nadu is being promoted as the source of the best salt for blood pressure patients. Scientists at the Central Salt and Marine Research Institute at