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EN
The paper presents the map of real vegetation of Las Łagiewnicki reserve. The map has been made in scale 1 : 5000. The reserve is situated in the area of Łódź City, inside the Łagiewniki Forest, which covers 1205 ha. The Las Łagiewnicki reserve which occupies app. 70 ha, protects natural mosaic of forest communities.
EN
The paper describes the values of the Struga Dobieszkowska reserve. This reserve is located near Stryków, 15 km NE from Łódź, in the valley of small river called Młynówka. There are 261 plant species growing there. 14 plant communities have been described. The most important here are the oak-hombeam forest (Tilio-Carpinetum) the and wet alder forest (Ciracaeo-Alnetum). The real vegetation map presents actual localization of different plant communities. The variety of plant communities is connected with natural variation of circumstances in the valley as well as with antropogenic factors (e.g. introduction of pine on the rich habitats).
EN
In the article, there is presented vascular flora in the reserve of photophilous oak wood at Grotniki near Łódź. The method of independent catalogu in gof flora in all wood sites (68) was applied. Frequency of occurence and preferences of species in relation to distinguished age and species categories of trees tands were analyzed.
EN
The present study describes changes that have occured in the phytocoenosis of Pino-Quercetum abieieiosuni in the „Jamno” reserve. It was determined that the vegetation of this reserve, due to its high dynamics, recovers to its natural form of Tilio-Carpinetum lypicum with Abies alba. The disapperance of Pinus silvestris from all layers of the phytocoenosis and an essential increase in Carpinus betulus and Quereus rohur in the tree-stand was observed. A slight quantitative increase in Abies alba in the tree-stand was also noticed. Changes in the field layer consist mainly in the extinction of species typical of coniferous and increase in species typical of deciduous forests.
EN
The investigations have been carried out in the Las Łagiewnicki reserve, which is localized within the Łódź City. Within the area of 70 hectares 279 vascular plant species have been found. The statistical analysis against the ecological characteristics of the plant species and anthropogenic transformation is presented. Important part of plant species growing in the reserve belongs to locally endangered and rare in Central Poland. Among otheer there are present here species like: Corallorhiza trífida Chátel., Trollius europaeus L. s.s., Polygonatum verticillatum (L.) All., Neottia nidus-avis (L.) Rich.
EN
One of the key components of The Blue-Green Network in Łódź are valuable natural areas like the relicts of the natural wildlife (called “Green Treasures of Łódź”) which parts have been preserved in Łódź in spite of two hundred years, very intense urbanization processes. The result of years of geobotanical research in the city was establishing 23 areas of nature protection and proposing of 12 additional natural areas which need to be protected (8 areas of landscape protection and 4 ecological sites). Existing and proposed areas of nature protection, including river valleys, build the wildlife system of Łódź. Predominantly the important role in this concept play the Łódź’s river valleys with their vegetation potential. The Sokolowka River Valley which is located in the Northern-West part of Łódź was the exemplary research field for geobotanical and sozological valorization of the natural habitat of the Blue-Green Network. Within the Sokolowka valley there are retained fragments of precious nature ecosystems.
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