Historical fall of pollinators: regional and regional habits Types structure, for example. proportional representation of types, differed dramatically between history and present for both long-tongued and short-tongued kinds throughout the flowering month (all P Figure 3. Historical change in bumblebee species constitution. Abundances (bees/m 2 ) of long-tongued (very top) and short-tongued (bottom) varieties and… Continue reading Historical fall of pollinators: regional and regional habits