A rosette by any other name: species diversity in the Bangiales (Rhodophyta) along the South African coast

Reddy, Maggie M.; Clerck, Olivier De; Leliaert, Frédérik; Bolton, John J.

doi:10.1080/09670262.2017.1376256

Cited by 16 publications

(29 citation statements)

References 66 publications

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“…, Reddy et al. , Yang et al. ), will allow researchers to refine the knowledge about the intrinsic and environmental determinants of their distribution across tidal gradients of contrasting habitats and climates.…”

Section: Discussionmentioning

confidence: 99%

“…morphology in this group of algae would have been shaped by the particular genetic, developmental, and environmental constraints operating on these algal taxa (Rosen 1967). The rapid and accurate identification of local genetic diversity in foliose Bangiales, recently achieved using molecular techniques (Schweikert et al 2012, Nelson 2013, Dumilag et al 2016, Guillemin et al 2016, Reddy et al 2018, Yang et al 2018, will allow researchers to refine the knowledge about the intrinsic and environmental determinants of their distribution across tidal gradients of contrasting habitats and climates.…”

Section: Discussionmentioning

confidence: 99%

“…The delimitation of species was undertaken recently using molecular tools, an advent that has redefined the boundaries of former taxa over the last 10 years (e.g., Broom et al 2002, Brodie et al 2007, Neefus et al 2008, Nelson 2013, Dumilag et al 2016, Guillemin et al 2016, Reddy et al 2018, Yang et al 2018. A high level of cryptic genetic diversity was found within Porphyra and Pyropia (Brodie et al 2007, Niwa et al 2009, Lindstrom et al 2015, Guillemin et al 2016, Koh and Kim 2018, Reddy et al 2018, Yang et al 2018. According to Zuccarello (2011), these new taxa that cannot be identified based on morphology could drive field ecology studies to misleading conclusions and impair our understanding of the evolutionary processes that generated this diversity.…”

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confidence: 99%

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Genetic and morphological differentiation of Porphyra and Pyropia species (Bangiales, Rhodophyta) coexisting in a rocky intertidal in Central Chile

Meynard

Zapata

Salas

et al. 2019

Journal of Phycology

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A recent molecular taxonomic study along the Chilean coast (18° S–53° S) described 18 candidate species of bladed Bangiales of which only two were formally described. Few studies focused on local genetic and morphological diversity of bladed Bangiales and attempted to determine their intertidal distribution in contrasting habitats, and none were performed in Chile. To delimit intertidal distributions of genetic species, 66 samples of bladed Bangiales were collected at Maitencillo (32° S) in four zones: a rocky platform, a rocky wall, and two boulders zones surrounded by sandy and rocky bottoms, respectively. These samples were identified based on sequences of the mitochondrial COI and chloroplast rbcL markers. We also collected 87 specimens for morphological characterization of the most common species, rapidly assessing their putative species identity using newly developed species‐diagnostic (PCR‐RFLP) markers. Eight microscopic and two macroscopic morphological traits were measured. We described and named three of four species that predominate in Maitencillo (including Pyropia orbicularis): Pyropia variabilis Zapata, Meynard, Ramírez, Contreras‐Porcia, sp. nov., Porphyra luchea Meynard, Ramírez, Contreras‐Porcia sp. nov., and Porphyra longissima Meynard, Ramírez, Contreras‐Porcia, sp. nov. With the exception of Po. longissima restricted to boulders surrounded by sandy bottom, and a morphotype of Py. variabilis restricted to rocky walls, the other species/morphotypes have overlapping intertidal distributions. Except for Po. longissima, which is clearly differentiated morphologically (longest and thinnest blades), we conclude that morphology is not sufficient to differentiate bladed Bangiales. Our findings underscore the importance of refining our knowledge of intrinsic and environmental determinants on the distribution of bladed Bangiales.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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Genetic and morphological differentiation of Porphyra and Pyropia species (Bangiales, Rhodophyta) coexisting in a rocky intertidal in Central Chile

Meynard

Zapata

Salas

et al. 2019

Journal of Phycology

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“…, Reddy et al. ). We performed four species delimitation methods (ABGD, mBGD, SPN, and PTP), on three markers ( psb A, rbc L‐3P, and COI‐5P), to evaluate the species diversity within Harveylithon along the Brazilian coast.…”

Section: Discussionmentioning

confidence: 99%

“…, Reddy et al. ) have considered that PTP, as well as GMYC (model similar to PTP, but using an ultrametric tree as input), may present methodological artefacts when the taxon sampling is uneven among the species.…”

Section: Discussionmentioning

confidence: 99%

Reef‐building coralline algae from the Southwest Atlantic: filling gaps with the recognition of Harveylithon (Corallinaceae, Rhodophyta) on the Brazilian coast

Costa

Jesus

et al. 2019

Journal of Phycology

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The Southwest Atlantic is notable for having extensive reef areas cemented by nongeniculate coralline red algae. Based on an analysis of four genetic markers and morpho‐anatomical features, we clarify the species of Harveylithon in the tropical and warm temperate Southwest Atlantic. Species delimitation methods (mBGD, ABGD, SPN, and PTP), using three markers (psbA, rbcL, and COI), support the recognition of three new species: H. catarinense sp. nov., H. maris‐bahiensis sp. nov., and H. riosmenum sp. nov., previously incorrectly called Hydrolithon samoënse. Our findings highlight the importance of using an approach with several lines of evidence to solve the taxonomic status of the cryptic species.

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NUS so fast: the social and ecological implications of a rapidly developing indigenous food economy in the Cape Town area

Willis,

Losch,

Pereira

2024

Sustain Sci

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The modern global food system is highly unsustainable, shaped by industrialisation and corporate consolidation, with negative repercussions on the environment and biodiversity as well as human health. This paper looks at the burgeoning economy in neglected and underutilised species (NUS) in the Western Cape, South Africa, as a potential innovation that could make the local food system more socially and ecologically resilient. Although, at present, NUS are only marginally included in the local food system and policy discussions, NUS increasingly appear in the high-end food industry, driven by international gastronomic trends. These species hold potential as climate resilient, nutritionally dense, and socially and culturally significant foods in the region, but they also carry ecological and social risks. We critically examine the fledgling NUS economy in the Cape Town area to unpack the motivations and challenges associated with the potentially transformative inclusion of these foods into the local food system. We demonstrate that the main risks associated with NUS are negative ecological repercussions, privatisation of the NUS economy, and the reproduction and further entrenchment of unequal power and race dynamics in the region. To mitigate these risks and actualise the related benefits associated with NUS, engagement with the ecological, social, and political context of NUS needs to be significantly deepened. This is particularly true for those working in the high-end food industry, who appear to be driving the NUS economy, and will require education around sustainability and Traditional Ecological Knowledge (TEK), as well as a foregrounding awareness of power dynamics.

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A rosette by any other name: species diversity in the Bangiales (Rhodophyta) along the South African coast

Cited by 16 publications

References 66 publications

Genetic and morphological differentiation of Porphyra and Pyropia species (Bangiales, Rhodophyta) coexisting in a rocky intertidal in Central Chile

Genetic and morphological differentiation of Porphyra and Pyropia species (Bangiales, Rhodophyta) coexisting in a rocky intertidal in Central Chile

Reef‐building coralline algae from the Southwest Atlantic: filling gaps with the recognition of Harveylithon (Corallinaceae, Rhodophyta) on the Brazilian coast

NUS so fast: the social and ecological implications of a rapidly developing indigenous food economy in the Cape Town area

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