Endemic Galapagos Tree Daisy Scalesia pedunculata Threatened by Competition with Nonnative Blackberry Rubus niveus

Authors

Heinke Jäger
Christian Sevilla
Bernhard Riegl, Nova Southeastern UniversityFollow

ORCID

0000-0002-6003-9324

Document Type

Article

Publication Title

The Bulletin of the Ecological Society of America

ISSN

2327-6096

Publication Date

7-3-2023

Abstract

There is a debate whether invasive plants can induce extinction debt in native flora that is not immediately obvious. Competitive effects of invasions and how competition causes native biodiversity loss are complicated to evaluate. Experi-mental removal or introduction bears the most promise of demonstrating native species displacement mechanics. Over an eight- year period, we followed plots in the only remaining Scalesia pedunculata forest on Santa Cruz Island, Galapagos, where invading Rubus niveus was either removed or retained. Demographic param-eters and total recruitment failure in the presence of R. niveus suggest that S. pedun-culata may face local extinction in two decades without invasion management.

DOI

10.1002/eap.2846

Volume

104

Issue

3

First Page

e2074

Comments

© 2023 The Authors.

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

NSUWorks Citation

Heinke Jäger, Christian Sevilla, and Bernhard Riegl. 2023. Endemic Galapagos Tree Daisy Scalesia pedunculata Threatened by Competition with Nonnative Blackberry Rubus niveus .The Bulletin of the Ecological Society of America , (3) : e2074 . https://nsuworks.nova.edu/occ_facarticles/1368.