This recent article in the American Naturalist has taken a second look at some of the famously inflated species estimates, daži iet augsta kā 100 miljoni (Erwin, 1988). Aplēses autoru veiktie norāda, ka prognozes iepriekš 30 miljoni ir varbūtības <0.00001. To lēsts diapazons ir vairāk iespējams, ir starp 2.5 un . . . → Lasīt vairāk: Aplēses Global sugu daudzveidību
|
With a great message from Bill Nye, the Science Guy. We need to be conservationists to be sure, preserving wetlands, forests, open spaces and coastlines. We need to reduce our waste — plastic trash and the like. But what we really need is big, new ideas: new ways to distribute and store energy for . . . → Lasīt vairāk: Happy Earth Day Dalīties!(photo credit) The monarchs have started their spring migration north and you might even see one soon (not exciting if you live in FL or HI where there are year-round residents, or in CA where there are separate overwintering spots). Reports from their winter locations in Mexico however are dismal; with possibly the lowest . . . → Lasīt vairāk: Nost ar galvām! Dalīties! 2 komentāri - (Komentāri ir slēgti)  Entomoloģija  Barcoding, Tauriņi, Saglabāšana, DNS, Entomoloģija, Lepidoptera, Monarch |
Skepticisms |
