Research Data

Richness of primary producers and consumer abundance mediate epiphyte loads in a tropical seagrass system

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General
Title
Richness of primary producers and consumer abundance mediate epiphyte loads in a tropical seagrass system
Type
Dataset
Date Record Created
2020-08-25
Date Record Modified
2020-09-08
Language
English
Coverage
Date Coverage
2020-11-01 to 2018-12-26
Time Period
(no information)
Geospatial Location
  • Green Island region, northern Great Barrier Reef, Queensland, Australia
Description
Descriptions
  1. Type: full

    Consumer communities play an important role in maintaining ecosystem structure and function. In seagrass systems, algal regulation by mesograzers provides a critical maintenance function which promotes seagrass productivity. Consumer communities also represent a key link in trophic energy transfer and buffer negative effects to seagrasses associated with eutrophication. Such interactions have now been well documented in literature from temperate systems, however, it is not clear if the same relationships hold in tropical systems. This study aimed to identify if the invertebrate communities within a tropical, multispecies seagrass meadow moderated epiphyte abundance under natural conditions. This was done by comparing algal abundance across two sites at Green Island, Australia. At each site, paired plots were established where the invertebrate assemblages were perturbed via insecticide manipulation, and compared to un-manipulated plots. An 89% increase in epiphyte abundance was seen after six weeks of experimental invertebrate reductions within the system. Using generalized linear mixed effects models and path analysis we found that the abundance of invertebrates was negatively correlated with epiphyte load on seagrass leaves. Habitat species richness was seen to be positively correlated with invertebrate abundance. These findings mirror those of temperate systems, suggesting this mechanism operates similarly across latitudinal gradients.

    The full methodology will be made available in the Open Access publication listed in the Related Publications link below.

     

  2. Type: note

    This dataset is available as a spreadsheet saved in both MS Excel (.xlsx) and Open Document (.ods) formats.

Related Publications
(no information)
Related Websites
(no information)
Related Data
(no information)
Related Services
(no information)
Technical metadata
(no information)
People
Creators
  1. Owned by: Mr Luke Hoffmann , luke.hoffman@jcu.edu.au , Division of Tropical Environments & Societies, Tropical Water & Ecosystems (TropWater)
Primary Contact
Mr Luke Hoffmann, luke.hoffmann@jcu.edu.au
Supervisors
  1. Dr Michael Rasheed , michael.rasheed@jcu.edu.au
  2. Dr Paul York , paul.york@jcu.edu.au
  3. A/Prof William Edwards , will.edwards@jcu.edu.au
Collaborators
(no information)
Subject
Fields of Research
  1. 060205 - Marine and Estuarine Ecology (incl. Marine Ichthyology) (060205)
Socio-Economic Objective
(no information)
Keywords
  1. mesograzers
Research Activity
(no information)
Research Themes
Tropical Ecosystems, Conservation and Climate Change
Rights
License
CC BY-NC 4.0: Attribution-Noncommercial 4.0 International
License - Other
(no information)
Access Rights/Conditions
Open access. If the data is not freely accessible via the link provided, please contact the nominated data manager or researchdata@jcu.edu.au for assistance.
Type
open
Rights
(no information)
Data
Data Location
Online Locations
Attachments
  1. Hoffmann_etal_2020.xlsx (Data File, Public)
  2. Hoffmann_etal_2020.ods (Data File, Public)
Stored At
(no information)
Citation
Cite:
Hoffmann, L. (2020): Richness of primary producers and consumer abundance mediate epiphyte loads in a tropical seagrass system. James Cook University. (dataset). http://dx.doi.org/10.25903/5f45d97cc5081
Digital Object Identifier (DOI):
10.25903/5f45d97cc5081