NDLI: Patterns of plant invasions at small spatial scale correspond with that at the whole country scale

Content Provider	Springer Nature Link
Author	Dyderski, Marcin K. Jagodziński, Andrzej M.
Copyright Year	2016
Abstract	Invasions were studied at different spatial scales, however these scales were rarely compared. The aim of this study is to compare the rate of expansion of eight alien plant species within the borders of the city with expansion in the whole country and to analyse changes in distribution of these plant species in the last 30 years. We hypothesised that at the scale of the city, despite of stronger human impact, invasion processes will perform in a similar way as at the scale of whole country. Distribution changes of Bidens frondosa, Conyza canadensis, Echinocystis lobata, Helianthus tuberosus, Impatiens parviflora, Reynoutria japonica, Solidago canadensis and S. gigantea in 1 km squares grid was examined in the Warta River Valley in Poznań (W Poland) in 2013 and compared to data collected during 1980–1984. All species increased their distribution within the study area. E. lobata had the highest increment of occupied grid squares (from 0 in 1980’s to 28 in 2013), and S. gigantea had the lowest (from 8 to 9). Echinocystis lobata reached the highest invasion success, which results from species traits (hydrochory) and large propagule pressure from garden plots. Between species with different ecological traits residence time has relatively little influence on invasion success, however in cases of species with similar traits (S. canadensis and S. gigantea) residence time is a crucial factor determining invasion success. Although urban ecosystems are more vulnerable to biological invasions, this process occurs in a similar way as in the whole country. This similarity is connected with similar factors responsible for spread of invasive species: propagule pressure, time since introduction and spatial distributions of invasible habitats.
Starting Page	983
Ending Page	998
Page Count	16
File Format	PDF
ISSN	10838155
Journal	Urban Ecosystems
Volume Number	19
Issue Number	2
e-ISSN	15731642
Language	English
Publisher	Springer US
Publisher Date	2016-01-13
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Invasive plant species Riparian ecosystems Urban ecology Spread Echinocystis lobata Spatial pattern Urban Ecology Environmental Management Ecology Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Ecology Urban Studies

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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