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  • How red-eared invaders are hurting California's native turtles
    on August 22, 2019 at 8:50 pm

    Western pond turtles got fatter and healthier after scientists removed nearly 200 invasive red-eared slider turtles from the UC Davis Arboretum, reports a new study. The study is the first to quantify competition between these two species in the wild.

  • Genes tell the story of how the Asian tiger mosquito spread
    on August 22, 2019 at 6:19 pm

    Over the last 40 years, the Asian tiger mosquito, Aedes albopictus, has invaded every continent thanks to the transportation of its eggs via human trade and transportation. Researchers have now used the genomes of the mosquitoes to track the history of the invasion and expansion of the species through Albania, Italy, and Greece.

  • Shocking rate of plant extinctions in South Africa
    on August 22, 2019 at 6:19 pm

    Plant extinctions from South Africa's three biodiversity hot spots represent 45.4 percent of all extinctions from 10 of the world's 36 hotspots, new research finds.

  • Environmental DNA proves the expansion of invasive crayfish habitats
    on August 21, 2019 at 2:55 pm

    Environmental DNA (eDNA) has successfully proven the presence of invasive crayfish in almost all the small streams around Lake Akan in Japan, suggesting that eDNA analysis is an efficient and highly sensitive method to assess the distribution of aquatic organisms.

  • Urban stormwater could release contaminants to ground, surface waters
    on August 21, 2019 at 12:22 pm

    A good rainstorm can make a city feel clean and revitalized. However, the substances that wash off of buildings, streets and sidewalks and down storm drains might not be so refreshing. Now, researchers have analyzed untreated urban stormwater from 50 rainstorms across the US, finding a wide variety of contaminants that could potentially harm aquatic organisms in surface waters and infiltrate ground water.

  • Disease-carrying mosquitoes push northern limits with time-capsule eggs
    on August 21, 2019 at 12:22 pm

    Invasive mosquitoes at the northern limit of their current range are surviving conditions that are colder than those in their native territory. This new evidence of rapid local adaptation could have implications for efforts to control the spread of this invasive species.

  • Connected forest networks on oil palm plantations key to protecting endangered species
    on August 20, 2019 at 5:09 pm

    Set-aside patches of high-quality forest on palm oil plantations may help protect species like orangutans, as well as various species of insects, birds and bats -- many of which are threatened with extinction in areas of Indonesia and Malaysia, where 85% of the world's palm oil is produced.

  • Burning invasive western juniper maintains sagebrush dominance longer
    on August 19, 2019 at 5:21 pm

    Burning invasive western juniper increases the time -- post-fire -- that native mountain sagebrush will remain the dominant woody vegetation in the plant community by at least 44 percent compared to cutting juniper back, according to a new study.

  • Bloodsucker discovered: First North American medicinal leech described in over 40 years
    on August 15, 2019 at 6:08 pm

    Freshwater wetlands from Georgia to New York are home to a previously unrecognized species of medicinal leech, according to scientists. The new species was first identified from specimens collected in southern Maryland less than 50 miles from Washington, D.C., prompting a search through marshes and museum collections that revealed that the leech has long occupied a range that stretches throughout the eastern United States.

  • Climate change 'disrupts' local plant diversity, study reveals
    on August 15, 2019 at 3:37 pm

    Researchers have discovered that the numbers of plant species recorded by botanists have increased in locations where the climate has changed most rapidly, and especially in relatively cold parts of the world.

  • New information on tropical parasitoid insects revealed
    on August 14, 2019 at 3:03 pm

    Parasitoid wasps are one of the animal groups that are the most rich in species. However, the tropical species are still very poorly known. Understanding the diversity of parasitoid wasps inhabiting rainforests is important, because tropical biodiversity is dwindling at an accelerating rate.

  • Unique dietary strategy of a tropical marine sponge
    on August 14, 2019 at 1:07 pm

    Research revealed a unique feeding strategy of a marine sponge, wherein the sponge animal acquires important components of its diet from symbiotic bacteria living within the sponge.

  • Non-native invasive insects, diseases decreasing carbon stored in US forests
    on August 13, 2019 at 9:07 pm

    Scientists have found that non-native invasive insects and diseases are reducing the amount of carbon stored in trees across the United States.

  • New water-beetle species show biodiversity still undiscovered in at-risk South American habitats
    on August 13, 2019 at 3:34 pm

    Researchers have described three genera and 17 new species of water scavenger beetles from the Guiana and Brazilian Shield regions of South America.

  • Interbreeding turned grey squirrels black
    on August 13, 2019 at 2:26 pm

    New research has shed new light on why some grey squirrels are black.

  • DNA tests of UK waters could help catch invasive species early
    on August 13, 2019 at 2:23 pm

    Scientists have discovered several artificially introduced species in the coastal waters of southern England, using a technique that could help the early detection of non-native species if adopted more widely.

  • Impact of largescale tree death on carbon storage
    on August 12, 2019 at 9:23 pm

    Largescale 'disturbances', including fires, harvesting, windstorms and insect outbreaks, which kill large patches of forest, are responsible for more than a tenth of tree death worldwide, according to new research.

  • Asian longhorned beetle larvae eat plant tissues that their parents cannot
    on August 12, 2019 at 9:23 pm

    Despite the buzz in recent years about other invasive insects that pose an even larger threat to agriculture and trees -- such as the spotted lanternfly, the stink bug and the emerald ash borer -- Penn State researchers have continued to study another damaging pest, the Asian longhorned beetle.

  • Potential for Rift Valley fever virus transmission in Colorado livestock
    on August 12, 2019 at 9:23 pm

    Researchers found that mosquitoes that could transmit the virus were abundant in feedlots and at nearby sites in Northern Colorado.

  • Structurally complex forests better at carbon sequestration
    on August 12, 2019 at 5:08 pm

    Forests in the eastern United States that are structurally complex -- meaning the arrangement of vegetation is highly varied -- sequester more carbon, according to a new study. The study demonstrates for the first time that a forest's structural complexity is a better predictor of carbon sequestration potential than tree species diversity. The discovery may hold implications for the mitigation of climate change.

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