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Multi-stressor dynamics: Effects of marine heatwave stress and harmful algal blooms on juvenile mussel (Perna canaliculus) survival and physiology.
Sci Total Environ
January 2025
Cawthron Institute, 98 Halifax Street East, Nelson 7010, New Zealand. Electronic address:
In New Zealand, the frequency and intensity of marine heatwaves (MHWs) and blooms of the harmful algal species, Alexandrium pacificum, are increasing in areas where there are natural reefs and commercial farms of the mussel, Perna canaliculus. In this study, we assessed the whole organism, tissue and molecular-level response of juvenile (spat) P. canaliculus exposed to these abiotic and biotic stressors, alone and together.
View Article and Find Full Text PDFLand-derived metals impact the survival and settlement of larval mussels.
Environ Pollut
January 2025
Cawthron Institute, 98 Halifax Street East, Nelson, 7010, New Zealand.
Global declines in wild mussel populations and production have been linked to the impacts of climate change and pollution. Summer die-offs of mussels (Perna canaliculus), spat retention issues, and a severe decline in mussel spat settlement have been reported in the Marlborough Sounds, an important area for mussel farming in New Zealand. Preliminary evidence suggests that naturally occurring contaminants and changing land use in the surrounding areas, could contribute to the decline of this species.
View Article and Find Full Text PDFAddition of mussel shells enhance marine benthic biodiversity in two degraded coastal soft sediment ecosystems.
Sci Total Environ
December 2024
Institute of Marine Science, University of Auckland, Auckland 1142, New Zealand.
The decline in coastal shellfish populations, attributed to anthropogenic stressors such as harvesting via dredging, can deplete the seabed of vital biogenic habitat. This removal of shellfish significantly reduces habitat complexity, biodiversity, and the hard substrate required for the natural recovery of some key species. A common method for oyster restoration involves deploying oyster shell material to provide habitat and substrate for settling larval oysters.
View Article and Find Full Text PDFGenetics and ontogeny are key factors influencing thermal resilience in a culturally and economically important bivalve.
Sci Rep
August 2024
Cawthron Institute, Private Bag 2, Nelson, 7042, New Zealand.
Increasing seawater temperatures coupled with more intense and frequent heatwaves pose an increasing threat to marine species. In this study, the New Zealand green-lipped mussel, Perna canaliculus, was used to investigate the effect of genetics and ontogeny on thermal resilience. The culturally and economically significant mussel P.
View Article and Find Full Text PDFA pilot study to detect the effects of a green-lipped mussel () nutraceutical on working farm dogs with musculoskeletal abnormalities using accelerometry.
N Z Vet J
November 2024
Tāwharau Ora - School of Veterinary Science, Massey University, Palmerston North, New Zealand.
Aims: To obtain preliminary data on changes in gait from the use of a green-lipped mussel () extract product in working farm dogs with musculoskeletal abnormalities using accelerometry. New Zealand working farm dogs (n = 32) with signs of musculoskeletal abnormalities were enrolled in a double-blinded, placebo-controlled cross-over study. Each dog was allocated to one of six groups to receive three trial substances (180 mg full fat green-lipped mussel extract (GLME); 220 mg full fat green-lipped mussel extract (GLME); placebo) in one of the six possible different orders.
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