Analysis of rbc L sequences reveals the global biodiversity, community structure, and biogeographical pattern of thermoacidophilic red algae (Cyanidiales)

2015 ◽  
Vol 51 (4) ◽  
pp. 682-694 ◽  
Author(s):  
Chia-Jung Hsieh ◽  
Shing Hei Zhan ◽  
Yiching Lin ◽  
Sen-Lin Tang ◽  
Shao-Lun Liu
Keyword(s):  
Community Structure ◽  
Red Algae ◽  
Global Biodiversity ◽  
Biogeographical Pattern ◽  
Rbc L

scholarly journals Plant Part Age and Size Affect Sessile Macrobenthic Assemblages Associated with a Foliose Red Algae Phycodrys rubens in the White Sea

Diversity ◽  
2019 ◽  
Vol 11 (5) ◽  
pp. 80 ◽  
Author(s):  
Alexandra Chava ◽  
Anna Artemieva ◽  
Eugeniy Yakovis
Keyword(s):  
Community Structure ◽  
Surface Area ◽  
Red Algae ◽  
White Sea ◽  
Plant Part ◽  
Marine Macroalgae ◽  
The White Sea ◽  
Plant Parts ◽  
Total Cover ◽  
Macrobenthic Assemblages

Facilitation by foundation species commonly structures terrestrial and marine communities. Intraspecific variation in individual properties of these strong facilitators can affect the whole suite of the dependent taxa. Marine macroalgae often act as ecosystem engineers, providing shelter and substrate for numerous associated organisms. Epibiosis of foliose red algae, however, remains underexplored, especially in the high latitudes. Here we studied sessile macrobenthic assemblages associated with a foliose red algae Phycodrys rubens in the White Sea (66° N) shallow subtidal, and the effect of individual plant properties on their structure. The blades of P. rubens develop annually, and it is possible to tell the young (usually larger) plant parts from the old ones. We hypothesized that epibenthic community structure depends on plant part age and size. We examined epibiosis on 110 plants at two sites, and the results generally supported our hypotheses. Old plant parts were several times smaller, and had higher total cover than young parts. Sponges strongly dominated the epibiosis on old parts, and young parts were dominated by polychaetes and bryozoans. Plant part surface area negatively correlated with total cover on young parts, while on old parts the relatioship was location-specific. On young parts the relative abundance of a polychaete Circeis armoricana increased with surface area, and the proportion of sponges decreased. The patterns indicate that epibenthic community structure is linked to the demography of an ecosystem engineer.

scholarly journals IDENTIFIKASI RUMPUT LAUT (Seaweed) DI PERAIRAN PANTAI CEMARA KABUPATEN LOMBOK TIMUR SEBAGAI DASAR PENYUSUNAN BROSUR BAGI MASYARAKAT

2020 ◽  
Vol 8 (1) ◽  
pp. 106
Author(s):  
Muhammad Sopiandi Hamdan Kasim ◽  
Baiq Muli Harisanti ◽  
Ali Imran
Keyword(s):  
Community Structure ◽  
Red Algae ◽  
Human Activities ◽  
Brown Algae ◽  
Sampling Technique ◽  
Residential Area ◽  
Natural Area ◽  
In Situ Method ◽  
Water Conditions

This study was aimed to determine the identification of macroalgae species in Cemara Beach, Jerowaru District, East Lombok Regency, as the basis for developing biodiversity brochure for public. This is a descriptive explorative  research with sampling technique devided into 4 transects: 1) transect I was in the litoral zone with water conditions that were still quite natural because of lack of influence from the residents; 2) transect II was located in litoral zone near the residential area; 3) transect III was placed in the neritic zone with relatively natural area; and 4) while the transect IV is placed which have same zone as the transect III, but difference by the aquatic environment was directly affected by human activities around the coast. Identification of macroalgae was carried out by in-situ method. Community structure of macroalgae were analyzed using the Shanon-Wiener formula. Based on the results there were found 15 species of macroalgae belonging to the three main divisions namely: Rhodophyta (Red Algae); Phaeophyta (Brown Algae); and Chlorophyta (Green Algae). Based on the results of the validation (graphics, materials, and grammar) by the validator team, concluded that the seaweed diversity brochure was very well qualified without revised so that it was categorized very good for dissemination to public.

Community structure of a rhodolith bed from cold-temperate waters (southern Australia)

2008 ◽  
Vol 56 (5) ◽  
pp. 437 ◽  
Author(s):  
A. S. Harvey ◽  
F. L. Bird
Keyword(s):  
Community Structure ◽  
Red Algae ◽  
Growth Form ◽  
The Other ◽  
Growth Forms ◽  
Free Living ◽  
Coralline Red Algae ◽  
Reliable Identification

Rhodolith beds are aggregations of free-living non-geniculate coralline red algae (Corallinales, Rhodophyta), with a high biodiversity of associated organisms. This is the first detailed study of a rhodolith-bed community from the cold-temperate waters of southern Australia. This bed, located at 1–4-m depth in Western Port, Victoria, is composed of four rhodolith-forming species (Hydrolithon rupestre (Foslie) Penrose, Lithothamnion superpositum Foslie, Mesophyllum engelhartii (Foslie) Adey and Neogoniolithon brassica-florida (Harvey) Setchell & Mason). M. engelhartii has a foliose growth form and the other three species have fruticose growth forms. Detailed descriptions are provided for all species, allowing reliable identification. Comparisons with other rhodolith beds and reported rhodolith-forming species, both in Australia and worldwide, are also provided. The invertebrate cryptofaunal community was quantified for two rhodolith-forming species. The density of cryptofauna inhabiting foliose and fruticose rhodolith growth forms did not differ significantly and neither did abundance of individual phyla. Mean density of fauna was 0.4 invertebrates cm–3, the majority of which were polychaete worms. Comparisons of fauna associated with other rhodolith beds are also provided. A study of the vitality of the rhodolith bed showed dead rhodoliths are more abundant than live rhodoliths. Possible reasons for reduced bed vitality are explored.

Community structure of nongeniculate coralline red algae (Corallinales, Rhodophyta) in three boulder habitats in southern Australia

Phycologia ◽  
1999 ◽  
Vol 38 (2) ◽  
pp. 138-148 ◽  
Author(s):  
Sabine Daume ◽  
Sascha Brand-Gardner ◽  
William J. Woelkerllng
Keyword(s):  
Community Structure ◽  
Red Algae ◽  
Coralline Red Algae

scholarly journals DIVERSITY AND COMMUNITY STRUCTURE OF MACROALGAE AT KOH TAEN, HAAD KHANOM-MU KOH TALE TAI, MARINE NATIONAL PARK, NAKHON SI THAMMARAT PROVINCE, THAILAND

1970 ◽  
Vol 32 (2) ◽  
pp. 153-162
Author(s):  
Anchana Prathep ◽  
Anuchit Darakrai ◽  
Piyalap Tantiprapas ◽  
Jaruwan Mayakun ◽  
Pimonrat Thongroy ◽  
...  
Keyword(s):  
Community Structure ◽  
Green Algae ◽  
Red Algae ◽  
Brown Algae ◽  
National Park ◽  
Preliminary Survey ◽  
Blue Green Algae ◽  
Quadrat Sampling

The diversity and community structure of macroalgae at Koh Taen, Haad Khanom-Mu Koh Tale Tai, marine National Park, Nakhon Si Thammarat Province, Thailand were investigated from 1st- 5th October 2005 (preliminary survey). Out of a total of 41 species: 15 species each of green and red algae, 9 species of brown algae and 2 species of blue green algae were found. In the area, subsequently four sites were established for monitoring. Quadrat sampling was employed to assess the abundance of macroalgae. In total sixty quadrats were monitored each month from October 2005 to April 2007. We report the variations of diversity and abundance of macroalgae among sites and seasons and speculate about what might cause such variations.

Antitumor and antifungal activities from red algae Bostrychia radicans and B. tenella (Rhodophyta)

Planta Medica ◽  
2008 ◽  
Vol 74 (09) ◽  
Author(s):  
ALL de Oliveira ◽  
R de Felício ◽  
LV Costa-Lotufo ◽  
MO de Moraes ◽  
C do Ó Pessoa ◽  
...  
Keyword(s):  
Red Algae ◽  
Antifungal Activities

Bioactive chemical constituents from the Formosan red algae Laurencia tristicha

Planta Medica ◽  
2016 ◽  
Vol 81 (S 01) ◽  
pp. S1-S381
Author(s):  
JY Chen ◽  
CY Huang ◽  
JH Sheu
Keyword(s):  
Red Algae ◽  
Chemical Constituents

STRUKTUR KOMUNITAS MAKRO ALGA DI PESISIR PULAU KECAMATAN BULANG

SIMBIOSA ◽  
2014 ◽  
Vol 3 (2) ◽  
Author(s):  
Notowinarto Notowinarto ◽  
Ramses Ramses ◽  
Mulhairi Mulhairi
Keyword(s):  
Community Structure ◽  
Diversity Index ◽  
Algal Species ◽  
Algal Communities ◽  
Marine Life ◽  
Ph Values ◽  
Abundance Patterns ◽  
Coastal Marine ◽  
Temperature Parameter ◽  
Important Value Index

Bulang districts Batam Islands of  Riau province (Riau Islands), its consists of many islands with as well as having the potential diversity of coastal marine life in particular kinds of macro algae or seaweed. Conducted research aimed to determine the structure of macro- algal communities in the intertidal zone islands. The results of the identification of algal species found 16 species are: the Order of Chlorophyceae as 6 spesies; Order Phaeophyceae as 2 spesies; and Order Rhodophyceae as 8 spesies. The community structure at the five stations showed the highest values were found in the island of dominance Cicir (D ' = 0.79) , uniformity index values on Tengah Island (E ' = 0.99) , while the island Balak had the highest diversity index (H ' = 0.88) , with the abundance patterns of population structure on the island is pretty good Central . Results of correlation analysis of regression between IVI types of algae with the conditions of environmental quality suggests that there is a significance (Fhit ˃ F table and the value of r = > 90 %) between IVI algae Halimeda sp and Cryptarachne polyglandulosa at each station with a temperature parameter surface (⁰C) , depth temperature (⁰C) and pH values. Keywords : Algae, Community Structure, Important Value Index.

Seasonal changes in phytoplankton community structure in a bioluminescent lagoon, St. Croix, US Virgin Islands

2018 ◽  
Vol 81 (2) ◽  
pp. 109-124 ◽  
Author(s):  
JL Pinckney ◽  
C Tomas ◽  
DI Greenfield ◽  
K Reale-Munroe ◽  
B Castillo ◽  
...  
Keyword(s):  
Community Structure ◽  
Seasonal Changes ◽  
Phytoplankton Community ◽  
Virgin Islands ◽  
Phytoplankton Community Structure ◽  
Us Virgin Islands
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