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“#Heat-detecting drones are a cheaper, more efficient way to find koalas” Credit: Pixabay Last summer’s catastrophic bushfires burnt about one quarter of New South Wales’ best koala habitat. On the state’s mid-north coast, an estimated 30% of koalas were killed. Collecting the most accurate possible information about surviving koala populations, in both burnt and unburnt areas, will help save…
“#The impact of climate change on marmot survival differs between seasons” Credit: Pixabay/CC0 Public Domain Many animals have evolved life cycles and strategies (patterns of survival and reproduction) in line with predictable seasonal variation in environmental conditions. Short and mild summers produce bursts of vegetation and food, the perfect time to give birth to young….
“#Yellow pond-lily prefers cyclic flowers to spiral ones” Credit: CC0 Public Domain Biologists from Lomonosov Moscow State University and HSE University have studied the patterns of flower development in yellow water-lily (Nuphar lutea). They found out that all the floral organs are arranged in cycles (whorls) rather than inserted sequentially in a spiral, as is…
“#Newly discovered pathogen in NY apples causes bitter rot disease” Apple with bitter rot disease, caused by a Colletotrichum fungus. Credit: image provided by Srdjan Goran Acimovic In a study of New York state apple orchards, Cornell plant pathologists have identified a new fungal pathogen that causes bitter rot disease in apples. Also, a second…
“#Endangered butterfly in San Diego County is the focus of a new protection effort” Credit: CC0 Public Domain Two environmental groups have filed a petition with the state asking it to provide more protection for a once-abundant butterfly that has seen its numbers fall precipitously in San Diego County and elsewhere in recent decades. The…
“#Australian reptile research needs to move beyond university backyards” Juvenile marbled gecko. Credit: Guy Castley A team of Griffith University researchers found the strongest predictor of study sites for reptile research in Australia is proximity to universities. Published in Nature Scientific Reports, the study is the first continent-wide investigation of factors that influenced the location…
“#Industrial ‘borrow pits’ benefit beavers and wolverines, study shows” Beavers in northern Alberta are making their homes in industrial pits dug to supply materials for road construction, according to new research. Credit: A. Colton Beavers and wolverines in northern Alberta are using industry-created borrow pits as homes and feeding grounds, according to a new study…
“#New group of trapdoor spiders discovered in eastern Australia” Cryptoforis hughesae from Brisbane, subadult male. Credit: Jeremy Wilson A new group of trapdoor spiders that builds burrows hidden by camouflaged doors has been discovered in eastern Australia. One of the almost 20 new species found in this group occurs in the suburbs of Brisbane. The…
“#Using DNA in the water tell us how many fish are there” Researchers “counted” Japanese jack mackerel (Trachurus japonicus) in Maizuru Bay, Japan, through quantitative measurements of environmental DNA concentration. Credit: Reiji Masuda, Kyoto University River water, lake water, and seawater contain DNA belonging to organisms such as animals and plants. Ecologists have begun to…
“#Rising water temperatures could endanger the mating of many fish species” Cod embryos in the egg. The study has shown that fish at this stage are generally extremely sensitive to changes in temperature. As a result of climate change, rising water temperatures could make the development of the embryos and hence the reproduction of many…