The Ulvophyceae (Chlorophyta) of eastern Sorsogon, Philippines, including <i>Halimeda magnicuneata</i> sp. nov. (Bryopsidales)

Dumilag, Richard V.; Dumago, Ferdinand S.; Cabudoy, Rea Kissel R.; Peralta, Mark Christian E.; Li, Camille C.; Gamus, Glenn Cedrick V.; Romero, Rose Glendelyn T.; Yap, Sandra L.; Roleda, Michael Y.; Geraldino, Paul John L.; Verbruggen, Heroen; Leliaert, Frédérik; Draisma, Stefano G. A.; Liao, Lawrence M.; Kraft, Gerald T.

doi:10.1515/bot-2020-0017

Cited by 3 publications

(4 citation statements)

References 53 publications

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“…Mounting evidence has shown those seaweeds in eastern Sorsogon are abundant and diverse, yet those that are regarded as ethnotaxa are not documented. Currently, there are about 250 seaweed species recorded for the area (Trono 1975, 1976, Kraft et al 1999, Dumilag et al 2020. In this study, only 12 species were identified to have ethnobotanical values.…”

Section: Discussionmentioning

confidence: 69%

“…Besides being edible, the Philippine C. edule has anti-cancer properties (Bayro et al 2019. Including C. edule, six other Codium species were reported from eastern Sorsogon (Dumilag et al 2020). Codium materials from eastern Sorsogon may also be tested to diversify seaweed species selection for drug discoveries.…”

Section: Discussionmentioning

confidence: 99%

“…Seaweeds, collectively referred to locally as 'gulaman' , are one of the highly sought-after autochthonous marine resources in eastern Sorsogon (Llana 1992, 1994, Nyan 1993, Kraft et al 1999. While this area is long recognized as home to rich seaweed diversities (Trono 1975, 1976, Kraft et al 1999, Dumilag et al 2020, seaweed ethnobotanical knowledge among the locals of eastern Sorsogon has received disproportionate attention. Despite the economic shift in Sorsogon from gleaning to farming seaweeds beginning in the early 1990s (Salayao et al 1991)…”

Section: Methodsmentioning

confidence: 99%

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Seaweed ethnobotany of eastern Sorsogon, Philippines

Dumilag¹,

Belgica²,

Mendoza³

et al. 2022

Algae

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Knowledge on the seaweeds of eastern Sorsogon in the Philippines is uneven. Not only is eastern Sorsogon among the areas of high seaweed diversity but locals there have interacted with seaweeds for ages. Despite seaweeds’ assumed importance to Sorsoganon, ethnobotanical records are missing. In this study, we documented the traditional knowledge on seaweed use and determined the rate of knowledge transmission among the locals of eastern Sorsogon. Vernacular names and modes of preparation were given of the 12 identified species bearing culinary and medicinal importance. Ten species were eaten while three were used therapeutically. Based on ethnobotanical indices, Caulerpa chemnitzia ecad turbinata and Gelidiella acerosa were the most important seaweeds. The least cited was Caulerpa racemosa. Our study demonstrated that most of the seaweed resources in eastern Sorsogon remain largely untapped, as the identified ethnotaxa were only about 5% of the total seaweed species diversity reported for the area. The seaweed knowledge in eastern Sorsogon appeared to be homogenous across age groups with primary sources of knowledge biased towards female relatives (mothers and grandmothers) and to children as inheritors. Cessation of seaweed knowledge may come at a potential cost, as a significant fraction of the population did not transmit their knowledge to others. Our study furthered the interest in providing sophisticated resource management recommendations that consider the relationships of traditional and scientific knowledge of seaweed selection and use in eastern Sorsogon and beyond.

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Section: Discussionmentioning

confidence: 69%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Seaweed ethnobotany of eastern Sorsogon, Philippines

Dumilag¹,

Belgica²,

Mendoza³

et al. 2022

Algae

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“…pickeringii: French Polynesia [12,21,24]. The species was also reported in the Philippines [37] based on field identification but not confirmed genetically. Littler and Littler (2003) have recorded the species in Fiji [38].…”

Section: Taxonomic Treatmentmentioning

confidence: 99%

Taxonomic Insights into Caulerpa (Bryopsidales, Chlorophyta) Species in French Polynesia: Confirmation of 13 Species and Reinstatement of C. pickeringii Harvey & Bailey

Lagourgue,

Sauvage,

Zubia

et al. 2024

Diversity

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Caulerpa J.V. Lamouroux is a genus of green macroalgae belonging to the family Caulerpaceae in the order Bryopsidales. The genus comprises 104 currently accepted species, of which 51 have been recorded from Pacific Islands. Among these islands, French Polynesia is found in the middle of the South Pacific Ocean and includes five archipelagos (i.e., the Austral, Gambier, Marquesas, Society, and Tuamotu Islands) where seaweed inventories have reported a total of 16 Caulerpa species so far based on morphology. Here, based on a sampling covering the five archipelagos of French Polynesia, we attempt to (i) verify the taxonomy of Caulerpa species present in these regions based on phylogeny, (ii) describe in more detail the specific diversity between the five archipelagos, and (iii) provide a morphological identification tool for these species. We successfully obtained 134 new tufA sequences for phylogenetic analyses, which corresponded to 13 species. We propose to resurrect C. pickeringii Harvey & Bailey for representatives of C. webbiana var. pickeringii and classify it in the Caulerpa subgenus Araucarioideae. We also transfer C. seuratii to C. pickeringii based on genetic results. A new morphological identification key is provided as well as an updated distribution of Caulerpa species across French Polynesia.

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