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  Chattogram Bureau,  bdnews24.com Published: 27 May 2021 04:42 PM BdST Updated: 27 May 2021 04:42 PM BdST Kamal Saudagar has made his living gathering fish eggs from the Halda River for many years. In the past two days, since Cyclone Yaas made its way inland, he has collected eight buckets of fish eggs, only a quarter of his usual haul. "); } The Halda River in Chattogram’s Raozan and Hathazari areas is one of the largest natural breeding grounds for fish in South Asia. Usually, fish release eggs into the river just ahead of the monsoon season, when conditions are favourable. Before la...

Another source of these tiny plastics are micro beads and they are found in all kinds of beauty products, everything from cleansers and beauty and washe . they are in food and air and bottle tapped water and beer. okay, so what's the big deal? why does it matter to you? >> it is unclear. right now there are no evidence of human health concerns but it is called for more research to be done to understand any potential risk better. the effect on wildlife is very visible because the degree is small enough to resemble fish eggs or other marine food. it is a chain that can rip its way through the fo...

We'll work our way over. to the research ship will travel along the set g.p.s. coordinates for several nights. the captured zooplankton gathers in a catch back at the end of the net. and. the main thing we're interested in is how many jellyfish we have in the samples and how many fish eggs and larvae fish loving. the data has set course on the next spacek. meanwhile goober tends to his catch. a school of sticklebacks is beating on the zooplankton that he has yet to count. they have to be removed 1st. from.

Under the microscope the different species of zooplankton can be identified. tiny copartners along with fish eggs a market prey for jellyfish. at every station a measuring probe is lowered into the water. this determines the oxygen and salt content along with the temperature. vertical profile of the environmental data appears on who their screen of the graphs indicates salty oxygen rich layers. it seems water from the north sea has found its way to the eastern baltic through deep channels that suggests that the warty come jellies came here on this salt water current is here as well as i have s...

If this is a net is called a bongo net because it looks like a bongo drum and. we use this larger one mainly to capture fish eggs and larvae fish. found. this one catches all kinds of zooplankton and the baby bongo captures very small organisms and jelly fish are caught by all of the nets. but defining. the captain of the down a is setting the course for the night. to be able to compare the results long term bastiaan who have their heads to the same coordinates each time only. if we zoom in again we can see the islands of gone home and fame on our bases are more in the eastern area. i thought ...