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Open access notables In this week s government/NGO reports section, another rapid assessment by World Weather Attribution, an outfit dedicated to keeping us informed of the impacts of climate change on weather events happening around us right now. WWA s new report Climate change more than doubled the likelihood of extreme fire weather conditions in Eastern Canada finds: ....
Maximizing the Longevity of My Name in Ecosystem Productivity – ictsd.org ictsd.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ictsd.org Daily Mail and Mail on Sunday newspapers.
Unveiling Productivity: Decoding Algae's Role as an Indicator – ictsd.org ictsd.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ictsd.org Daily Mail and Mail on Sunday newspapers.
Postfire resprouting (R+) and recruitment from seed (S+) are common resilience traits in Australian ecosystems. We classified 2696 woody Australian taxa as R+ or not (R-) and as S+ or not (S-). The proportions of these traits in Australian ecosystems were examined in relation to fire regimes and other ecological correlates, and by trait mapping on a phylogeny scaled to time. Resprouting mapped as an ancestral trait. Postfire reseeding recruitment, while ancient, is more taxonomically restricted and has evolved independently several times. Nevertheless, both R+ and S+ are common in most clades, but negatively correlated at the ecosystem level indicating an evolutionary trade-off related to differences in the severity of fire regimes, determined in part by ecosystem productivity. Thus, R+ was associated with persistence in ecosystems characterised by higher productivity and relatively frequent surface fires of moderate to low severity (fire-productivity hypothesis). S+, the fire-stimulat ....