52 pages matching ecological in this book
Results 1-3 of 52
What people are saying - Write a review
We haven't found any reviews in the usual places.
Chemical analysis of plants
Analysis of biometric measurements of meadow plants
29 other sections not shown
abundant alfalfa analysis Apoidea average benthos biomass birds bumble-bees calculated canadensis Chironomidae coefficient Collembola communities coniferous correlation density depth Dhizek differentiation dominant dominica dry weight earthworms ecological ecosystems Ekol fauna fecundity females flowers forest microhabitats granarius ground flora groups growing seasons growth habitats Halictus honey bee host plant increase invertebrates Kaczawskie Mountains Kajak kg/ha larvae lateral shoots layer litter lucens macrophytes meadow method microhabitats migratory Mikotajskie Lake mite moisture moose myrtillus needles nitrogen Nowy Targ number of individuals number of lateral nutrient occurred Oligochaeta organic fall pasture percentage perfoliatus period periphyton phosphorus pine plant species plantations plot Poland POLISH SUMMARY STRESZCZENIE pollen population population density potassium primary production ratio root systems samples schist Scots pine similar soil species composition spicatum study area submerged substrate surinamensis Trifolium Tubificidae Unionidae values variation vegetation vulgaris zone