NDLI: Richness, diversity, and rate of primary succession over 20 year in tropical coastal dunes

Content Provider	Springer Nature Link
Author	Álvarez Molina, L. L. Martínez, M. L. Pérez Maqueo, O. Gallego Fernández, J. B. Flores, P.
Copyright Year	2012
Abstract	The tropical coastal dunes in central Gulf of Mexico have been stabilizing over the last decades resulting in reduced substrate mobility, and promoting primary succession. We describe changes in species richness and diversity in dune vegetation during 20 years. Our questions: (a) Do species richness and diversity increase over time as predicted by models of ecological succession or do they show a hump-backed manner similar to the observations in temperate coastal dunes?, (b) What is the interaction between vegetation cover and diversity and species richness?, (c) Is there a relationship between species diversity and succession rate and does succession rate change over time?, and (d) How do plant functional types change during succession? In order to answer these questions, we set 140 4 × 4 m permanent plots in a mobile dune area and monitored vegetation cover and species richness from 1991 to 2011. In time, diversity increased in a logistic manner toward an asymptotic value once vegetation cover surpassed 60 %. Species richness increased in a humped-back shape, also reaching a maximum peak at 60 % vegetation cover. The succession rate of diversity was measured by the Euclidean distance, and showed a significant humped-back relation, meaning that it was slower in early and late successional stages. The study supports the intermediate disturbance theory. The conservation of coastal dunes vegetation should focus on all, species-poor and species-rich habitats that help to maintain the ecological integrity of these ecosystems. The understanding of community dynamics and diversity patterns becomes an essential component of coastal dune management and conservation.
Starting Page	1597
Ending Page	1608
Page Count	12
File Format	PDF
ISSN	13850237
Journal	Plant Ecology
Volume Number	213
Issue Number	10
e-ISSN	15735052
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-08-31
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chamaecrista Dune stabilization Hump-backed pattern Mexico succession Schizachyrium Succession rate Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Ecology Plant Science

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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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