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“#Loss of sea otters accelerating the effects of climate change” Sea otters, the “keystone predator” of Aleutian kelp forests, experienced dramatic population declines in the 1990’s. In the wake of this event, herbivorous sea urchins proliferated, de-forested the region, and in recent years – with the help of climate change – triggered the widespread collapse…
“#How chemical diversity in plants facilitates plant-animal interactions” A male Passerini’s tanager, Ramphocelus passerinii, eats the fruit of Piper sancti-felicis. Photo by Bernadette Wynter Rigley. Credit: Bernadette Wynter Rigley. We aren’t the only beings who enjoy feasting on tasty fruits like apples, berries, peaches, and oranges. Species like bats, monkeys, bears, birds, and even fish…
“#Human disturbance of ecosystems leads to increase in disease-transmitting mosquitoes” The research area. Credit: Leiden University The changes that humans are making to the landscape are beneficial for mosquitoes that spread diseases such as Zika, chikungunya and dengue. This is what biologist Maarten Schrama and his colleagues write in the journal Nature Scientific Reports, saying,…
“#Old grasslands show high biodiversity and conservation value” The number of (a) all, (b) grassland-dependent native and (c) grassland-dependent endangered plant species in each vegetation type. “Old” and “new” refer to old and new grasslands (see detail in the text). Bars and boxes are medians and quartiles, with ranges between minimum and maximum values. An…
“#Bending the curve of biodiversity loss” This artwork illustrates the main findings of the article, but does not intend to accurately represent its results. Credit: IIASA Plant and animal species around the world are steadily disappearing due to human activity. A major new IIASA-led study suggests that without ambitious, integrated action combining conservation and restoration…
“#World wildlife plummets more than two-thirds in 50 years: index” Graphic outlining the environmental degredation of the oceans caused by human activity. Global animal, bird and fish populations have plummeted more than two-thirds in less than 50 years due to rampant over-consumption, experts said Thursday in a stark warning to save nature in order to…
“#At least 28 extinctions prevented by conservation action in recent decades” Credit: CC0 Public Domain Conservation action has prevented the global extinction of at least 28 bird and mammal species since 1993, a study led by Newcastle University, UK and BirdLife International has shown. The species include Puerto Rican Amazon Amazona vittata, Przewalski’s Horse Equus…
“#National parks preserve more than species” A jaguar photographed in Braulio Carrillo National Park, Costa Rica, by a Tropical Ecology Assessment and Monitoring (TEAM) Network camera trap. Credit: TEAM Network National parks are safe havens for endangered and threatened species, but an analysis by Rice University data scientists finds parks and protected areas can preserve…
“#Bacteria fill key role for successful recirculating aquaculture farming” Aquaculture is one of the fastest growing food production sectors globally. Due to continuous growth, ecologically, economically and socially sustainable sites for aquaculture are already in use, which has caused a need for new fish farming techniques. Recirculating aquaculture systems, technology that recycles and saves water,…
“#Why plants in wetlands are highly productive” Credit: Bryce Benda (Leiden University) Environmental scientists of Leiden University have found that the so-called leaf economics spectrum for plants can not only be applied to terrestrial ecosystems, such as forests and grasslands, but also to wetlands. Furthermore, they showed that wetland plants generally have a fast-return strategy,…