id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-023036-rnt6ivcy	Turc̄ek, F. J.	THE BIRD SUCCESSION IN THE CONIFER PLANTATIONS ON MAT‐GRASS LAND IN SLOVAKIA (CSR).	2008-04-03		.txt	text/plain	2247	126	68	The three groups of areas studied were: (1) bare pastures, with an intermediate number of bird species, few individuals and high biomass of mainly carnivorous and insectivorous birds; (2) conifer plantations 1 to 5 years old, with the smallest number of bird species and the smallest biomass, but an intermediate number of individuals; (3) plantations six to twenty years old, with the highest number of both species and individuals of birds, but only intermediate biomass. The bird species found, their density and biomass per hectare in each group of areas are given in Table 1 . In the plantations studied, mainly of Norway spruce and Scots pine mixed with some European larch and a few deciduous trees, we were able to study the development of the bird community from bare pasture up to a forest of about 20 years of age.	./cache/cord-023036-rnt6ivcy.txt	./txt/cord-023036-rnt6ivcy.txt