RAiD 10.71676/15ff1fad
NESP MaC Project 1.28 - Future-proofing restoration & thermal physiology of kelp (IMAS)

Dates

Start Date
01-Sep-2021
End Date
30-May-2022

Titles

Title
NESP MaC Project 1.28 - Future-proofing restoration & thermal physiology of kelp (IMAS)
Title Type
Primary
Title Type:
Primary
 Preferred full description or abstract.
Start Date
01-Sep-2021
End Date
30-May-2022
Language
English

Descriptions

Description

Kelp forests create complex habitats that support a diverse and productive community of marine life. They underpin coastal food-webs, fisheries, and a suite of other ecosystem services including nutrient and blue carbon cycling. Across much of the world, kelp forests are in decline and under threat from stressors including urbanisation, overgrazing, ocean warming, and marine heatwaves driven by climate change.

Australia’s giant kelp (Macrocystis pyrifera) forests are listed as a Threatened Ecological Community under the Environment Protection and Biodiversity Conservation Act 1999. Habitat restoration is a potential tool for the conservation and management of giant kelp ecosystems. Given the direct impacts of climate change and ocean warming, there is growing recognition of the need for habitat restoration to be ‘future proofed’.

For restoration to be effective, the cause of habitat decline must be understood and overcome. This is problematic when climate change is driving habitat loss since it cannot be reversed or ameliorated prior to restoration. A previous NESP project led by this team (NESP Marine Biodiversity Hub Project E7) identified warm-tolerant strains of giant kelp from remnant patches in eastern Tasmania, where the species has experienced precipitous declines due to ocean-warming. These strains have high potential to assist with ‘future-proofing’ kelp forest restoration, however it is still unclear what the physiological mechanisms are that provide their improved thermal tolerance. It is also unknown whether cross-breeding the identified warm-tolerant giant kelp strains will affect and potentially improve their thermal tolerance capacity.

This project explored the physiology of kelp thermal performance, specifically the mechanisms potentially responsible for the warm water tolerance identified in particular giant kelp strains. It confirmed the improved ability of the warm-tolerant strains to develop at stressful warm temperatures relative to normal giant kelp, and demonstrated for the first time that their improved thermal performance may extend to the development and fertilisation. The outcomes progress toward the identification of populations of Australian kelp that may be resilient to (or especially threatened by) ocean warming and climate change.
Description Type

Primary
Description Type:

Primary

 Preferred full description or abstract
Language
English

Contributors

Contributor
https://orcid.org/0000-0002-3390-6437
Leader
Yes
Contact
Yes
Positions
Position
Principal or Chief Investigator
Position:
Principal or Chief Investigator
 Principal investigator refers to the person(s) in charge of a research project
Start Date
01-Sep-2021
End Date
30-May-2022
Roles
No Entries
Contributor
https://orcid.org/0000-0002-9511-905X
Leader
Yes
Contact
Yes
Positions
Position
Principal or Chief Investigator
Position:
Principal or Chief Investigator
 Principal investigator refers to the person(s) in charge of a research project
Start Date
01-Sep-2021
End Date
30-May-2022
Roles
No Entries
Contributor
https://orcid.org/0000-0001-9965-4917
Leader
No
Contact
No
Positions
Position
Co-investigator or Collaborator
Position:
Co-investigator or Collaborator
 A Co-Investigator is a senior or key investigator involved in a research project who does not have the overall responsibility and authority of the Principal Investigator
Start Date
01-Sep-2021
End Date
30-May-2022
Roles
No Entries
Contributor
https://orcid.org/0000-0002-1085-4582
Leader
No
Contact
No
Positions
Position
Co-investigator or Collaborator
Position:
Co-investigator or Collaborator
 A Co-Investigator is a senior or key investigator involved in a research project who does not have the overall responsibility and authority of the Principal Investigator
Start Date
01-Sep-2021
End Date
30-May-2022
Roles
No Entries

Organisations

Organisation ID
https://ror.org/00arpt780
Roles
Role
Lead Research Organisation
Role:
Lead Research Organisation
 The research organistion administratively responsible for the project; administering organisation
Start Date
2021-09-01
End Date
2022-05-30

RelatedObjects

Citation

Layton, C., Eva, S., & Johnson, C. (2022). Ecophysiological measurements from thermal tolerance testing of giant kelp [Data set]. Institute for Marine and Antarctic Studies.
ID
https://doi.org/10.25959/61A2-A148
Type
Dataset
Categories
Output

Alternate Identifier

No Entries

Alternate URLs

Related RAiDs

Title
Marine and Coastal Hub (10.71821/418be95a)
Relation
IsPartOf
Relation:
IsPartOf
 Relates a subproject back to its parent project

Access

Type
Open Access
Type:
Open Access
 Open access refers to a resource that is immediately and permanently online, and free for all on the Web, without financial and technical barriers.The resource is either stored in the repository or referenced to an external journal or trustworthy archive.
Language
Text
Embargo Expiry

Subjects

Subject
Marine and estuarine ecology (incl. marine ichthyology) (310305)
Keywords
Text
ecophysiology
Language
eng
Text
giant kelp
Language
eng
Text
Macrocystis pyrifera
Language
eng
Subject
Ecological impacts of climate change and ecological adaptation (410102)
Keywords
Text
future-proof
Language
eng

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