Science and Technology - Briefs

Supa dam displaced lease out lands to paper mill

Invasive weeds threaten Nigeria

Science and Technology - Briefs

Curious case of seaweed

AquAgri pays highest sum in royalty but benefits do not reach people

In court

New Zealand okays poison 1080, despite concerns

Letters

In Short

Science and Technology - Briefs

Texas fires: With over 1 million acres of grassland burned, cattle ranchers face struggles ahead to find and feed their herds

A combination of high temperature, strong winds, low humidity and invasive species made the fires spread fast and harder to control 

Rise of the invaders

Unprecedented rise in the world’s invasive alien species contributes to 60 per cent of extinctions and puts ecosystems at risk

No food in forests: Tamil Nadu challenges spread of invasive species head on

State formed expert committee in 2021 to tackle the menace, forest department has reclaimed 493 hectares so far

No food in forests: Weeds like Mimosa, Siam are taking over Assam’s biodiversity

Mimosa species, at its peak, covered 56% per cent of Bagori range of Kaziranga National Park

No food in forests: Bears, langurs throng Uttarkahand apple orchards as native vegetation gets taken over by invasives

Locals report numerous changes in food habits of wildlife; increased number of tigers in the state may also have a role

How alien invasive plant species threatens Western Ghats

Forest fires and man-eating tigers make for easy headlines but what about invading flora in a forest?

How alien invasive plant species threaten Western Ghats

Forest fires and man-eating tigers make for easy headlines but what about invading flora in a forest?

Invasive plant species threaten 66% of India’s natural systems 

Western Ghats, South Eastern Ghats & Central Indian Highlands among widely and densely invaded regions

Invasive alien species lead to extinctions of plants & animals across Earth, IPBES report points out

Though it is possible to eradicate and control these species, it might not happen by 2030  

Feral animals are running amok on Australia’s islands – here’s how to stop them

Eradicating feral animals from islands can be expensive, but new research shows where to get the biggest bang for our buck

Environmental DNA-based assay to detect invasive catfish in waterbodies

North African Sharptooth catfish is one such species that was illegally introduced in India for aquaculture purposes

‘Gray blanket’ over Australia: Genetics may have aided European rabbit invasion of continent in 1859, says study

Researchers managed to trace the ancestry of Australia’s invasive rabbit population right back to the southwest of England

Removing alien plants can save water: We measured how much

Positive effect of clearing alien trees higher in dry years compared to wet years, study predicts

A weed and a tale

In the forests of Kanyakumari, an invasive species has been proliferating since the 1960s. It is time to remove it altogether

Pentagon UFO videos steal limelight from COVID-19

Older, leaked clips of unidentified flying objects now confirmed by US defence department