New summer, same problem. The weeds in Lake Hopatcong in New Jersey are back and, according to at least one aquatic and watershed management expert, are “some of the worst” in recent memory. Fred Lubnow, director of aquatics programs at Princeton Hydro, has been studying the lake for more than 20 years. He said in
Bioengineering is defined by the Michigan Department of Environmental Quality as “using a combination of native planting and natural, or biodegradable materials to provide shoreline protection.” It also is often referred to as softshore engineering or lakescaping. Many shorelines use seawalls. These are a hard surface, such as wood, metal or concrete, that is installed
Hydrilla and water hyacinth, two of the worst aquatic weeds, have taken over the surface of Tapi River in India just above the pumping stations. This phenomenon of summer, which creates problems in the pumping of water from the pumping stations to Surat city, has occurred this time of the year for the first time.
Residents of Hyderabad, India can now look forward to a pleasant drive along the Hussainsagar lake, albeit the persistent foul odor. For effective cleaning and collection of floating material like hyacinth, algal weeds, plastic bags, coconut shells and other trash, the Hyderabad Metropolitan Development Authority has procured Floating Trash Collector from United States (Aquarius Systems).
Around 3,707 tonnes (4086 tons U.S.) of weeds have been cleared from the 910-acre Bellandur lake. In the past five days alone 737 tonnes (812 tons U.S.) have been removed by just two machines, according to an official release issued by the Bangalore Development Authority. The BDA is said to be using three weed harvesters
Invasive plant species can be a source of valuable ecosystem functions where native coastal habitats such as salt marshes and oyster reefs have severely declined, a new study by scientists at Duke University and the University of North Carolina-Wilmington finds. On otherwise barren mudflats, habitat-forming invasive species such as nonnative seaweed can offset the loss
Heavy metal poisoning is a growing concern in many parts of the country. A new method for removing chromium-6, a highly toxic heavy metal, from waste water has been developed by a group of scientists from India and Ethiopia. They claim it to be low-cost and safe. The new method uses water hyacinth, a weed
Nearly 95% of Malawi’s power is generated by hydropower on the Shire River, but sedimentation and weed infestation hinder efficiency. Today Millennium Challenge Corp Principal Deputy Vice President Kyeh Kim joined U.S. Embassy Lilongwe Ambassador Virginia Palmer to celebrate the commissioning and hand-over of two new weed harvesters by MCA-Malawi to the Electricity Generation Company
Invasive curlyleaf pondweed has been choking East Okoboji Lake, snarling boat propellers, burning up motors and shutting down swimming, tubing and other water sports in an area that depends on recreation. The weed’s invasion is driving heated debates about how to control it — from using mechanical removal to administering herbicides that raise concerns about