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Plantation of foreign saplings posing serious threat to biodiversity
Unplanned and widespread plantation of foreign saplings across the country Is posing serious threat to the bio-diversity, depriving birds and other animals of feed and spreading toxic substances injurious to health, biologists and wildlife experts said, reports BSS.
The threatened wildlife includes birds that live on wild insects and fruits, as plants of foreign origin do not offer them such feeds, vital for their existence.
Unlike foreign plants, indigenous trees are friendly to local birds and provide them with plenty of fruits and Insects and cosy habitats, free from toxins, usually spread by a range of foreign plants.
Besides, foreign trees, growing in every corner of the country. absorb a huge amount of groundwater, pushing its level further below and smothering local species of plants.
Mengini. acacia, eucalyptus, bottlepalm, willow and rain-tree are the foreign plants wreaking havoc in the country and threatening to outgrow indigenous plants. Impressing people by their quick place of growth
If the plantation of such plants picks up pace or maintains the ongoing momentum, a number of birds and other forms of wildlife will face extinction within a couple of years, said Zoology Professor Kazi Zaker Hossain of Dhaka University.
The plantation of foreign sapling is continuing in a imperialistic fashion, they are taking roots on this land destroying our species that have been growing on this part of the world for hundreds of years.” he told BSS.
The toxins emitted by the plants are also causing health
hazards, he added
Prof Hossain, also the president of Bangladesh Wild Zoological Association (BWZA), pleaded for developing natural forests under the supervision of the government, saying such drives could help maintain biodiversity of the terrain.
Quoting a recent study by zoology students at Dhaka University. Prof Hossain said biodiversity in the capital was seriously threatened over the recent years as 50 per cent of the plants growing in the city are of foreign origin.
" — Seventy per cent of local birds depend on insects and 15 per cent on both insects and plants for living, but unfortunately most of the trees in the city cannot offer food and shelter to them." the study revealed.
Bangladeshi birds prefer local variety of trees for building their nests, he said quoting the study
Eighty-five per cent birds choose indigenous plants for their shelter while the rest 15 per cent show a little bit of interest in foreign trees," the study showed.
Referring to the Osmani Udyan. he said the trees in the Udyan could not bring anv good to the city people as well as to its wildlife as (hose arc of foreign origin.
"I am not in favour of cutting those down, at the same time I am not supporting plantation of foreign saplings In the Udyan," he added.
He suggested massive plantation drive and greening campaigns across the country for maintaining biodiversity." Plant fruit-bearing ami wood-giving trees of indigenous species for the interest of adding fillip to bio diversity on this land." he said.