NDLI: Parent tree distance-dependent recruitment limitation of native and exotic invasive seedlings in urban forests

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Parent tree distance-dependent recruitment limitation of native and exotic invasive seedlings in urban forests

Content Provider	Springer Nature Link
Author	Martínez García, L. B. Pietrangelo, O. Antunes, P. M.
Copyright Year	2015
Abstract	Urban forests are more vulnerable to exotic species invasions than natural forests and are often a pathway for exotic invasions into natural areas. Investigating the mechanisms responsible for species coexistence in urban ecosystems is important to prevent forest invasions and conserve native biodiversity. In this experiment, we studied seedling recruitment for two exotic invasive (Acer platanoides and Rhamnus cathartica) and two native tree species (Acer saccharum and Betula papyrifera) in two urban forests. We measured the effects of distance from a mature tree on the growth of conspecific seedlings and their belowground interactions (mutualisms and pathogens). We expected that native seedlings growing in close proximity to a mature conspecific tree would more likely be damaged by co-specific pathogens than those growing further away. In contrast, considering that exotic invaders have not coevolved with the local soil pathogens, distance from the adult conspecific tree would not affect their seedlings. We collected undisturbed soil cores at five incremental distances from each adult tree and grew conspecific seeds in these cores. After three months of growth, we measured plant biomass, mycorrhizal root colonization and root lesions. We found that biomass increased with distance from the mature conspecific tree only for A. platanoides and no distance dependent signal was detected for other response variables. Our results show that distance from a conspecific mature tree may not determine exotic species invasibility in an urban forest and that, instead, this may contribute to promote native and invasive species coexistence in urban forest systems.
Starting Page	969
Ending Page	981
Page Count	13
File Format	PDF
ISSN	10838155
Journal	Urban Ecosystems
Volume Number	19
Issue Number	2
e-ISSN	15731642
Language	English
Publisher	Springer US
Publisher Date	2015-12-19
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Invaded ecosystems Janzen Connell hypothesis Mycorrhizal fungi Recruitment limitation Species coexistence Urban forests Urban Ecology Environmental Management Ecology Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Ecology Urban Studies

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Parent tree distance-dependent recruitment limitation of native and exotic invasive seedlings in urban forests

Data and code from: The functional form of specialized predation affects whether Janzen-Connell effects can prevent competitive exclusion (Dataset)

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Data from: Roles of pathogens on replacement of tree seedlings in heterogeneous light environments in a temperate forest: a reciprocal seed sowing experiment

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Parent tree distance-dependent recruitment limitation of native and exotic invasive seedlings in urban forests

Similar Documents

Parent tree distance-dependent recruitment limitation of native and exotic invasive seedlings in urban forests

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Soil-borne pathogens restrict the recruitment of a subtropical tree: a distance-dependent effect

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Parent tree distance-dependent recruitment limitation of native and exotic invasive seedlings in urban forests