Concise review of the genus Hypnea J.V.Lamouroux, 1813

Yokoya, Nair S.; Nauer, Fábio; Oliveira, Mariana C.

doi:10.1007/s10811-020-02209-x

Cited by 16 publications

(3 citation statements)

References 93 publications

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“…If this hypothesis is correct, the populations of H. pseudomusciformis in the tropical zone are more vulnerable to SST increase due to climate change. It is noteworthy to mention that it is precisely these populations that have been commercially used by local fishing communities (Yokoya et al 2020). The wide thermal optimum of H. pseudomusciformis may reflect the widespread distribution of these species along the Brazilian coast, allowing it to tolerate different thermal environments.…”

Section: Discussionmentioning

confidence: 99%

“…Oliveira . Hypnea pseudomusciformis was chosen for this study because it is an ecologically and economically important species, widely distributed, with great phenotypic and physiological plasticity (Nauer et al 2015;Yokoya et al 2020). Understanding the thermal tolerance of these species along the latitudinal gradient can feed models for how the Brazilian marine flora distribution may be affected by climatic changes.…”

Section: Introductionmentioning

confidence: 99%

“…2019; Yokoya et al . 2020). Understanding the thermal tolerance of these species along the latitudinal gradient can feed models for how the Brazilian marine flora distribution may be affected by climatic changes.…”

Section: Introductionmentioning

confidence: 99%

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Thermal tolerance of Hypnea pseudomusciformis ecotypes (Cystocloniaceae, Rhodophyta) related to different floristic provinces along the Brazilian coast

Nauer

Oliveira

Plastino

et al. 2022

Phycological Research

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Studies on the effects of temperature on physiological processes are essential to model macroalgae biogeographic distribution. Tetrasporophytes of Hypnea pseudomusciformis were collected from three floristic provinces (tropical, transition and warm temperate) along the Brazilian coast (~3.000 km), representing three ecotypes. Specimens were cultured under 20 C, 24 C, 28 C and 32 C for 21 days, then physiological parameters (growth rates, photosynthesis and pigments content) were analyzed. H. pseudomusciformis specimens tolerated a temperature variation from 20 C to 32 C. However, all ecotypes displayed a significant decrease in physiological performance at 32 C in all parameters analyzed. We hypothesized that the H. pseudomusciformis ecotype from the tropical province is already living at its thermal physiological limit, reaching its maximum growth only in the winter months (June to September), whereas a warm temperate ecotype reaches maximum growth in the summer months (December to March). This wide thermal optimum may be the reason for the widespread distribution of this species along the Brazilian coast, allowing it to occupy different thermal environments.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%