Journal ArticleDOI
Overstorey composition and age as determinants of the understorey flora of woods of central New England
G. G. Whitney,D. R. Foster +1 more
TLDR
A variety of factors, e.g. microclimatic conditions and the low seed production and poor colonizing ability of many species are probably responsible for the distinctive flora of central New England's primary woodlands.Abstract:
(1) The vascular plant species composition of 190 woodland sites in central New England was analysed to determine the effects of overstorey composition and age on the understorey flora. (2) Multiway contingency table analysis suggested there were significant differences in the understorey flora of primary (old-growth) versus secondary (old-field) woods. Differences in the flora of conifer versus broadleaved woods were less pronounced. (3) A variety of factors, e.g. microclimatic conditions and the low seed production and poor colonizing ability of many species are probably responsible for the distinctive flora of central New England's primary woodlands.read more
Citations
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Journal ArticleDOI
Long-distance seed dispersal in plant populations.
TL;DR: It is argued that genetic methods provide a broadly applicable way to monitor long-distance seed dispersal and, hence, that better data is needed from the tails of seeds that travel long distances.
Journal ArticleDOI
Influence of tree species on understory vegetation diversity and mechanisms involved—A critical review for temperate and boreal forests
TL;DR: In this article, the authors reviewed and analyzed the literature on the relationship between tree species composition and floristic diversity, including the mechanisms involved therein, and found that mixing of deciduous and coniferous tree species generally affects understory diversity, but in almost all cases maximum diversity is observed in one of the pure stands, not in mixed stands.
Journal ArticleDOI
An ecological comparison between ancient and other forest plant species of Europe, and the implications for forest conservation
TL;DR: The regional variation in ancient forest plant species suggests that regional lists are more appropriate for assessing the nature conservation value of forests than one global European list and ancientforest plant species may be considered as important biodiversity indicators for forests.
Journal ArticleDOI
Land-Use History (1730-1990) and Vegetation Dynamics in Central New England, USA
TL;DR: Histories of changing land use and vegetation of a 380-ha forested area in central Massachusetts (Prospect Hill tract of the Harvard Forest) were reconstructed to investigate the environmental controls over land ownership patterns, agricultural practice and logging activity, and the vegetation response to these land-use factors.
Journal ArticleDOI
Seed dispersal and the holocene migration of woodland herbs
TL;DR: In this paper, the authors examined the long-term spread of the understory herb Asarum canadense by ants and found that the largest distance ants are known to move the seeds of any woodland herb is up to 35 m.
References
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Biometery: The principles and practice of statistics in biological research
TL;DR: In this paper, the authors present a model for the analysis of variance in a single-classification and two-way and multiway analysis of Variance with the assumption of correlation.
Book
Biometry: The Principles and Practice of Statistics in Biological Research
Robert R. Sokal,F. James Rohlf +1 more
TL;DR: In this paper, the authors present a model for the analysis of variance in a single-classification and two-way and multiway analysis of Variance with the assumption of correlation.
Book
The Nature and Properties of Soils
Nyle C. Brady,Ray R. Weil +1 more
TL;DR: The Soils Around Us 2 Formation of Soils from Parent Materials 3 Soil Classification 4 Soil Architecture and Physical Properties 5 Soil Water: Characteristics and Behavior 6 Soil and the Hydrologic Cycle 7 Soil Aeration and Temperature 8 Soil Colloids: Seat of Soil Chemical and Physical Activity 9 Soil Acidity 10 Soils of Dry Regions: Alkalinity, Salinity, and Sodicity 11 Organisms and Ecology of the Soil 12 Soil Organic Matter 13 Nitrogen and Sulfur Economy of Soiles 14 Soil Ph
Book
The nature and properties of soils
Nyle C. Brady,Ray R. Weil +1 more
TL;DR: The nature and properties of soils are studied to establish an understanding of the phytochemical properties of soil and how these properties change over time.
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