New global standard adopted for making trade in plants and seeds safer
There is an increasing risk that pests carried by seeds could establish themselves and spread after planting
Pesky pets
One of the first species domesticated by man, the pigeon is now an invasive species and a pest in many parts of the world
Invasion triggers evolution
A study on lizards shows evolutionary change can occur swiftly when two closely related species compete
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
Invasive ‘aliens’
Lantana camara is growing unchecked in Western Ghats, threatening the biodiversity hot spot
International Snow Leopard Day: Of snow leopards and domestic dogs
‘Man’s best friend’ has become a big threat for the charismatic cat in Ladakh, as this account shows
Hard time for honeybees
Entomologist May Berenbaum of University of Illinois in USA has inspired a character in TV series, X-Files. The winner of this year’s Tyler …
Coral breach: A silent, catastrophic invasion has happened in the Gulf of Mannar; here is how
The government plans a seaweed park in Tamil Nadu, ignoring the threat that Kappaphycus, a widely grown invasive seaweed, poses to corals in the …
Study offers clues on ecological gain of weeding out Lantana
Researchers look into effect of removing invasive bush in Madhya Pradesh’s critical tiger conservation site
Nurturing effect of pine
Pine trees have helped restore native vegetation in Sri Lanka’s Sinharaja Forest Reserve
Giant snail invasion
People in Kerala village spend nights battling large snails that devour plants and nibble at walls
Alien plants growing together threatening tiger habitats: Study
Multiple alien species affected soil nutrients in Kanha Tiger Reserve, put pressure on native forage plants and drove away herbivores
Rajasthan’s olive dream
An expensive project to grow imported olive trees is not yielding enough oil, and imposing other costs
Madhya Pradesh’s newest Ramsar wetland covered in invasive water hyacinth, threatening biodiversity
No migratory birds visited Sankhya Sagar this winter; connecting lakes Jadhav Sagar and Madhav Sagar also covered in green layer
Rivers, up close and personal
Over centuries people have learnt to live with rivers. They are part of our lives but over the past 150 years this association has weakened. A …
Concrete invasion
Colombo’s marshes cannot avert floods the way they used to. Construction is to be blamed
Grasping at grass
Maldharis resort to Forest Rights Act as forest department plans to restrict grazing on Banni grassland
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?
How alien invasive plant species threatens Western Ghats
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
At the mercy of chromosomes
Sets of it decide whether a plant will dominate or vanish