Not exact matches
Except that in this case, the
fragment was too
small to produce anything but a very large, very cold, and extremely
isolated planet.
In the new study, a team led by Wiktorowicz ground up a
small portion of each of the pottery
fragments (or sherds), used detergent and other chemicals to dislodge any proteins stuck to them, and
isolated and analyzed the protein
fragments using various techniques.
Such
small,
isolated populations are essentially doomed: even if the forest
fragments survive, sooner or later dwindling gene pools or disasters such as forest fires and disease outbreaks will wipe them out.
«We show that there are always the same few common species in
small,
isolated secondary forest
fragments, so each time you go to another piece of forest, you will encounter the same common birds, a phenomenon called biotic homogenisation.
Unlike the large - scale paintings, Rauch's
smaller works are softer and more graphic, with
isolated figures and deserted landscapes, like
fragments from completed pictures that have become independent.
As pockets of forest habitat are
isolated, their edges are exposed to harsher, brighter, drier conditions and plant and animal dispersal between habitat
fragments is made more difficult; in addition, habitat
fragments may be too
small to sustain populations of some species.