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  1. Book ; Online: Chapter 4 PREDICTING RESPONSES OF GEO-ECOLOGICALCARBONATE REEF SYSTEMS TO CLIMATE CHANGE:A CONCEPTUAL MODEL AND REVIEW

    BROWNE, NICOLA K. / CUTTLER, MICHAEL / MOON, KATIE / MORGAN, KYLE / ROSS, CLAIRE L. / CASTRO-SANGUINO, CAROLINA / KENNEDY, EMMA / HARRIS, DAN / BARNES, PETER / BAUMAN, ANDREW / BEETHAM, EDDIE / BONESSO, JOSHUA / BOZEC, YVES-MARIE / CORNWALL, CHRISTOPHER / DEE, SHANNON / DECARLO, THOMAS / D'OLIVO, JUAN P. / DOROPOULOS, CHRISTOPHER / EVANS, RICHARD D. /
    EYRE, BRADLEY / GATENBY, PETER / GONZALEZ, MANUEL / HAMYLTON, SARAH / HANSEN, JEFF / LOWE, RYAN

    2021  

    Keywords bic Book Industry Communication ; oceanography, climate change, reefs, marine science, marine conservation, marine research
    Size 1 electronic resource (143 pages)
    Publisher Taylor and Francis
    Document type Book ; Online
    Note English[eng] ; Open Access
    HBZ-ID HT021291011
    ISBN 9780367685225 ; 0367685221
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  2. Article ; Online: Low Bioerosion Rates on Inshore Turbid Reefs of Western Australia

    Dee, Shannon / DeCarlo, Thomas / Lozić, Ivan / Nilsen, Jake / Browne, Nicola K.

    Diversity. 2023 Jan. 04, v. 15, no. 1

    2023  

    Abstract: Bioerosion on inshore reefs is expected to increase with global climate change reducing reef stability and accretionary potential. Most studies investigating bioerosion have focused on external grazers, such as parrotfish and urchins, whose biomass is ... ...

    Abstract Bioerosion on inshore reefs is expected to increase with global climate change reducing reef stability and accretionary potential. Most studies investigating bioerosion have focused on external grazers, such as parrotfish and urchins, whose biomass is more easily measured. Yet, cryptic endolithic bioeroders such as macroboring (worms, sponges and bivalves) and microboring taxa (fungus and algae) have the potential to be the dominant source of reef erosion, especially among inshore reef systems exposed to increased nutrient supply. We measured bioerosion rates of bioeroder functional groups (microborers, macroborers, and grazers), and their response to environmental parameters (temperature, light, turbidity, chlorophyll a), as well as habitat variables (coral cover, turfing algae, macroalgae) across two inshore turbid reefs of north Western Australia. Total bioerosion rates were low (0.163 ± 0.012 kg m⁻² year⁻¹) likely due to low light and nutrient levels. Macroborers were the dominant source of bioerosion and were positively correlated with turfing algae cover, highlighting the role of turf-grazing fish on endolithic bioerosion rates. Overall low bioerosion rates suggest that despite the reduced coral cover and carbonate production, these reefs may still maintain positive reef accretion rates, at least under current environmental conditions. However, an improved understanding of relationships between environmental drivers, habitat and grazing pressure with bioeroding communities is needed to improve predictions of reef carbonate loss with future climate change.
    Keywords Scaridae ; bioerosion ; biomass ; carbonates ; chlorophyll ; climate change ; corals ; fish ; fungi ; habitats ; macroalgae ; temperature ; turbidity ; Western Australia
    Language English
    Dates of publication 2023-0104
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article ; Online
    ZDB-ID 2518137-3
    ISSN 1424-2818
    ISSN 1424-2818
    DOI 10.3390/d15010062
    Database NAL-Catalogue (AGRICOLA)

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  3. Article: Encrusters maintain stable carbonate production despite temperature anomalies among two inshore island reefs of the Pilbara, Western Australia

    Dee, Shannon / Cuttler, Michael / Cartwright, Paula / McIlwain, Jennifer / Browne, Nicola

    Marine environmental research. 2021 July, v. 169

    2021  

    Abstract: Encrusting reef organisms such as crustose coralline algae (CCA), serpulid worms, bivalves, bryozoans, and foraminifera (collectively termed encrusters) provide essential ecosystem services and are a critical part of the reef framework. Globally, ... ...

    Abstract Encrusting reef organisms such as crustose coralline algae (CCA), serpulid worms, bivalves, bryozoans, and foraminifera (collectively termed encrusters) provide essential ecosystem services and are a critical part of the reef framework. Globally, research into in situ growth and carbonate production of encrusters has focused on clear water fore-reef settings in the Pacific and Caribbean, with limited studies being conducted on marginal reef systems or within the Indian Ocean. Here we examined spatial and temporal variation in CCA coverage (%) and total encruster carbonate production rates (g cm⁻² yr⁻¹) across two inshore turbid island reefs of northern Western Australia. We recorded average carbonate production rates of 0.039 ± 0.002 g cm⁻² yr⁻¹, which are comparable to healthy reef sites globally. Our results show variation in lateral CCA cover over small spatial scales, with a strong seasonal signature, while constant average carbonate production rates were maintained. Additionally, we recorded in situ water temperatures above predicted coral bleaching threshold of 29 °C for four weeks and found annual patterns of sea surface temperature anomalies (SSTA) of 2 °C or more being a regular occurrence over the hotter months. Encrusters on these reefs are considered to have a vital contribution to the reef carbonate budgets, and if they maintain stable carbonate production through periods of SSTA, they may support net positive reef carbonate budgets.
    Keywords Bryozoa ; carbonates ; corals ; ecosystems ; research ; surface water temperature ; temporal variation ; Caribbean ; Indian Ocean ; Western Australia
    Language English
    Dates of publication 2021-07
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 1502505-6
    ISSN 1879-0291 ; 0141-1136
    ISSN (online) 1879-0291
    ISSN 0141-1136
    DOI 10.1016/j.marenvres.2021.105386
    Database NAL-Catalogue (AGRICOLA)

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  4. Article ; Online: Encrusters maintain stable carbonate production despite temperature anomalies among two inshore island reefs of the Pilbara, Western Australia.

    Dee, Shannon / Cuttler, Michael / Cartwright, Paula / McIlwain, Jennifer / Browne, Nicola

    Marine environmental research

    2021  Volume 169, Page(s) 105386

    Abstract: Encrusting reef organisms such as crustose coralline algae (CCA), serpulid worms, bivalves, bryozoans, and foraminifera (collectively termed encrusters) provide essential ecosystem services and are a critical part of the reef framework. Globally, ... ...

    Abstract Encrusting reef organisms such as crustose coralline algae (CCA), serpulid worms, bivalves, bryozoans, and foraminifera (collectively termed encrusters) provide essential ecosystem services and are a critical part of the reef framework. Globally, research into in situ growth and carbonate production of encrusters has focused on clear water fore-reef settings in the Pacific and Caribbean, with limited studies being conducted on marginal reef systems or within the Indian Ocean. Here we examined spatial and temporal variation in CCA coverage (%) and total encruster carbonate production rates (g cm
    MeSH term(s) Animals ; Anthozoa ; Carbonates ; Caribbean Region ; Coral Reefs ; Ecosystem ; Indian Ocean ; Temperature ; Western Australia
    Chemical Substances Carbonates
    Language English
    Publishing date 2021-06-03
    Publishing country England
    Document type Journal Article
    ZDB-ID 1502505-6
    ISSN 1879-0291 ; 0141-1136
    ISSN (online) 1879-0291
    ISSN 0141-1136
    DOI 10.1016/j.marenvres.2021.105386
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Reef to island sediment connections within an inshore turbid reef island system of the eastern Indian Ocean

    Bonesso, Joshua L. / Browne, Nicola K. / Murley, Matilda / Dee, Shannon / Cuttler, Michael V.W. / Paumard, Victorien / Benson, Dylan / O'Leary, Michael

    Sedimentary geology. 2022 July 01, v. 436

    2022  

    Abstract: Reef islands are low-lying sedimentary landforms formed from the accumulation of unconsolidated skeletal material generated by carbonate-producing reef organisms. The coupling between ecological (extant community assemblage) and sedimentary processes ( ... ...

    Abstract Reef islands are low-lying sedimentary landforms formed from the accumulation of unconsolidated skeletal material generated by carbonate-producing reef organisms. The coupling between ecological (extant community assemblage) and sedimentary processes (sediment composition and supply) that maintain these reef-fronted landforms make them increasingly sensitive to the impacts of future environmental change. To understand this interconnection we examine the benthic reef community assemblage and sediment characteristics (composition and texture) at Eva Island, an inshore turbid reef island system located in the Pilbara region of Western Australia. Benthic surveys and sediment composition identified molluscs as a unique primary sand-sized sediment constituent (34% of reef and sediments, respectively), alongside coral, despite low mollusc abundance in the reef ecology (n = 94 extant individuals). This result, alongside homogeneity within reef and island biosedimentary facies, suggest a coupling between source (reef) and sink (island) environments may exist, with the sediment reservoir providing suitable sand-grade material for island nourishment. In light of these findings, assuming island building can keep up with rising sea levels, Eva may be resilient to the immediate impacts of climate change. However, dependency on a few primary sediment constituents (molluscs and coral that are sensitive to environmental perturbations) may compromise long-term resilience (over decades), particularly the direct effect on sediment producing habitats and sensitive calcifying organisms under future changing climatic conditions.
    Keywords climate change ; corals ; molluscs ; texture ; Indian Ocean ; Western Australia
    Language English
    Dates of publication 2022-0701
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 216739-6
    ISSN 0037-0738
    ISSN 0037-0738
    DOI 10.1016/j.sedgeo.2022.106177
    Database NAL-Catalogue (AGRICOLA)

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