Titlebook: Succession in Abandoned Fields; Studies in Central B Jana Osbornová,Marcela Ková?ová,Karel Prach Book 1990 Kluwer Academic Publishers 1990

ALLEY

Summary, (X1, X2, and M1, M2) and old (X3 and M3) fields. Many characteristics have not changed unidirectionally during the whole period under consideration. Despite that, such concentrated information gives a good overview of the succession studied, and of the contents of this book as well.

思想流動(dòng)

技術(shù)

Introduction,ible only when combining various approaches. Most historical controversies (like individualistic vs. organismal concepts of plant communities) may be viewed as approaches emphasizing a particular hierarchical level. In our study, we combine the population-community approach and the functional ecosystem approach, as defined by O’Neil et al. 1986.

stroke

anticipate

Abandoned fields in the region,ulture in the region, respectively). Most of these 27 to 40 year-old abandoned fields represented places of very unfavourable conditions for modern agriculture. Being too small, on steep slopes or on margins of rocky river terraces with only a shallow layer of soil they could not be included into systems of large-scale cultivation.

隱士

9樓

陰郁

9樓

oxidant

9樓

ELUDE

10樓

王得到

10樓