Vyhledávat v databázi titulů je možné dle ISBN, ISSN, EAN, č. ČNB, OCLC či vlastního identifikátoru. Vyhledávat lze i v databázi autorů dle id autority či jména.
Projekt ObalkyKnih.cz sdružuje různé zdroje informací o knížkách do jedné, snadno použitelné webové služby. Naše databáze v tuto chvíli obsahuje 2896830 obálek a 875360 obsahů českých a zahraničních publikací. Naše API využívá většina knihoven v ČR.
Grassland Ecosystems of the World: Analysis of Grasslands and their Uses (International Biological Programme Synthesis Series) | |||||
|
|
Autor: Coupland, R. T. AnotaceFirst published in 1976, this volume describes the structure and functioning of grassland ecosystems. Five kinds of grassland are considered, namely natural temperate grasslands, semi-natural temperate meadows and pastures, tropical grasslands, arable grassland and cropland. Descriptions of the abundance and biomass of plants, animals and micro-organisms are provided, as well as an assessment of the activities of each functional group of organisms in relation to production, consumption and decomposition. Static models of energy flow and nutrient cycling are included, and the effects on the ecosystem of the management of grazing land and cropland are also considered. The volume is based on data collected in more than 50 studies made during the International Biological Programme studies in 22 countries. Dostupné zdroje
| ||||