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Journal articles on the topic 'Macroalgae communities'

Author: Grafiati

Published: 1 June 2024

Last updated: 31 July 2025

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1

Lenzo, Denise, Marina Antonia Colangelo, Andrea Pasteris, Fabio Rindi, Rossella Pistocchi, and Laura Pezzolesi. "Understanding the Role of Macroalgal Complexity and Allelochemicals Production in Invasive and Non-Invasive Macroalgae in the North-Western Adriatic Sea: Effect on the Associated Communities." Water 15, no. 9 (2023): 1697. http://dx.doi.org/10.3390/w15091697.

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Highly diverse microphyto and meiobenthic communities are associated with large-sized marine macroalgae. Both morphological traits and allelochemical responses of macroalgae affect the composition of these communities, but the relative importance of these factors remains incompletely understood. In this study we investigated the microphytobenthic and meiobenthic communities associated with some native macroalgae and a non-indigenous species (Sargassum muticum) of the north-western Adriatic Sea. These seaweeds were sampled in two coastal sites subjected to different impacts. The possible effect

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Clements, Cody S., and Mark E. Hay. "Competitors as accomplices: seaweed competitors hide corals from predatory sea stars." Proceedings of the Royal Society B: Biological Sciences 282, no. 1814 (2015): 20150714. http://dx.doi.org/10.1098/rspb.2015.0714.

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Indirect biotic effects arising from multispecies interactions can alter the structure and function of ecological communities—often in surprising ways that can vary in direction and magnitude. On Pacific coral reefs, predation by the crown-of-thorns sea star, Acanthaster planci , is associated with broad-scale losses of coral cover and increases of macroalgal cover. Macroalgal blooms increase coral–macroalgal competition and can generate further coral decline. However, using a combination of manipulative field experiments and observations, we demonstrate that macroalgae, such as Sargassum poly

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Li, Xunmeng, Jianqu Chen, Jun Li, Kai Wang, Zhenhua Wang, and Shouyu Zhang. "Determination of intertidal macroalgae community patterns using the power law model." PLOS ONE 17, no. 11 (2022): e0277281. http://dx.doi.org/10.1371/journal.pone.0277281.

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The spatial heterogeneity of macroalgae in intertidal zones affects the stability of marine ecosystem communities, contributes to the maintenance of coastal biodiversity, and has an essential role in ecosystem and habitat maintenance. We explored the feasibility of applying the power law model to analyze the spatial distribution of macroalgae on Lvhua Island (Zhejiang Province, China) and characterized the intertidal spatial heterogeneity of the macroalgae present. The results showed a strong association between the spatial distribution of macroalgae in the intertidal zone and the power law mo

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Briggs, Amy A., Anya L. Brown, and Craig W. Osenberg. "Local versus site-level effects of algae on coral microbial communities." Royal Society Open Science 8, no. 9 (2021): 210035. http://dx.doi.org/10.1098/rsos.210035.

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Microbes influence ecological processes, including the dynamics and health of macro-organisms and their interactions with other species. In coral reefs, microbes mediate negative effects of algae on corals when corals are in contact with algae. However, it is unknown whether these effects extend to larger spatial scales, such as at sites with high algal densities. We investigated how local algal contact and site-level macroalgal cover influenced coral microbial communities in a field study at two islands in French Polynesia, Mo'orea and Mangareva. At 5 sites at each island, we sampled prokaryo

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Duran, Alain, Ligia Collado-Vides, and Deron E. Burkepile. "Seasonal regulation of herbivory and nutrient effects on macroalgal recruitment and succession in a Florida coral reef." PeerJ 4 (November 2, 2016): e2643. http://dx.doi.org/10.7717/peerj.2643.

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Herbivory and nutrient enrichment are drivers of benthic dynamics of coral reef macroalgae; however, their impact may vary seasonally. In this study we evaluated the effects of herbivore pressure, nutrient availability and potential propagule supply on seasonal recruitment and succession of macroalgal communities on a Florida coral reef. Recruitment tiles, replaced every three months, and succession tiles, kept in the field for nine months, were established in an ongoing factorial nutrient enrichment-herbivore exclusion experiment. The ongoing experiment had already created very different alga

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Doi, Hideyuki, Masatoshi Matsumasa, Mamoru Fujikawa, Keiichi Kanou, Takao Suzuki, and Eisuke Kikuchi. "Macroalgae and seagrass contribution to gastropods in sub-tropical and temperate tidal flats." Journal of the Marine Biological Association of the United Kingdom 89, no. 2 (2008): 399–404. http://dx.doi.org/10.1017/s0025315408002683.

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Macroalgal and seagrass communities are widely distributed in marine and brackish shallow water and have high productivity. The primary production in marine costal areas is often transported to intertidal flats by waves and currents and beached on the flats. Thus, we hypothesized that the macroalgae and seagrasses are food sources for benthic communities on intertidal flats where some gastropod species often dominate. We performed comparisons of food sources among different gastropod species on sub-tropical and temperate tidal flats (26° and 38°N, respectively), and used isotope mixing models

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Kumagai, Naoki H., Jorge García Molinos, Hiroya Yamano, Shintaro Takao, Masahiko Fujii, and Yasuhiro Yamanaka. "Ocean currents and herbivory drive macroalgae-to-coral community shift under climate warming." Proceedings of the National Academy of Sciences 115, no. 36 (2018): 8990–95. http://dx.doi.org/10.1073/pnas.1716826115.

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Coral and macroalgal communities are threatened by global stressors. However, recently reported community shifts from temperate macroalgae to tropical corals offer conservation potential for corals at the expense of macroalgae under climate warming. Although such community shifts are expanding geographically, our understanding of the driving processes is still limited. Here, we reconstruct long-term climate-driven range shifts in 45 species of macroalgae, corals, and herbivorous fishes from over 60 years of records (mainly 1950–2015), stretching across 3,000 km of the Japanese archipelago from

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8

Gubelit, Yulia I. "Opportunistic Macroalgae as a Component in Assessment of Eutrophication." Diversity 14, no. 12 (2022): 1112. http://dx.doi.org/10.3390/d14121112.

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For the last few decades, coastal eutrophication with the associated mass development of opportunistic macroalgae has increased on a global scale. Since the end of the 2000’s, the number of studies of macroalgal blooms also increased many times. Mass occurrences of such species as Cladophora spp., Ulva spp., and Spirogyra spp. caused a necessity to improve existing methods of ecological assessment and develop new ones. There are many indices based on macroalgae and developed for marine and estuarine ecosystems. However, for correct evaluation, they demand a presence of a number of species, inc

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Quezada-Perez, Fabio, Sebastián Mena, Cindy Fernández-García, and Juan José Alvarado. "Status of Coral Reef Communities on the Caribbean Coast of Costa Rica: Are We Talking about Corals or Macroalgae Reefs?" Oceans 4, no. 3 (2023): 315–30. http://dx.doi.org/10.3390/oceans4030022.

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In the past decades, one of the most widely reported phenomena on Caribbean reefs is the general fall in coral cover and rise in macroalgae. Reefs with low coral cover and high macroalgal abundances are often presumed to provide poorer ecosystem functions and services. In this study, we assessed the condition of coral reefs on the Caribbean Coast of Costa Rica and determined how eight key ecosystem metrics varied in response to different coral and fleshy macroalgae covers. Most reefs surveyed had high fleshy macroalgae and low live coral covers, with an average (±SD) of 31 ± 28% and 14 ± 13% p

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10

Necchi-Júnior, O., L. H. Z. Branco, and C. C. Z. Branco. "Ecological distribution of stream macroalgal communities from a drainage basin in the Serra da Canastra National Park, Minas Gerais, Southeastern Brazil." Brazilian Journal of Biology 63, no. 4 (2003): 635–46. http://dx.doi.org/10.1590/s1519-69842003000400010.

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Twelve stream segments were sampled four times in 1998-1999 (one sampling per season) in the drainage basin of the upper São Francisco River (19º45'-21º25'S, 49º05'-51º30'W), situated in Serra da Canastra National Park, at altitudes ranging from 1,175 to 1,400 m. The macroalgae survey resulted in 30 species, with a predominance of Cyanophyta (12 species = 40%) and Chlorophyta (11 species = 36.5%) and a lower proportion of Rhodophyta (seven species = 23.5%). Two species, Klebsormidium rivulare (Chlorophyta) and Kyliniella latvica (Rhodophyta), were new records for Brazil. Capsosira sp. and Stig

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11

Génin, Alexandre. "Unveiling functional linkages between habitats and organisms: Macroalgal habitats as influential factors of fish functional traits." Unveiling functional linkages between habitats and organisms: Macroalgal habitats as influential factors of fish functional traits 194 (April 25, 2024): 106305. https://doi.org/10.5281/zenodo.11067579.

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This is the typeset version of the following article:  Sanabria-Fernández, José A., Alexandre Génin, and Vasilis Dakos. 2024. “Unveiling Functional Linkages between Habitats and Organisms: Macroalgal Habitats as Influential Factors of Fish Functional Traits.” <em>Marine Environmental Research</em> 194 (February): 106305. https://doi.org/10.1016/j.marenvres.2023.106305.   Abstract: Understanding the relationship between the characteristics of habitats and their associated community is essential to comprehend the functioning of ecological systems a

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Amsler, Charles D., Margaret O. Amsler, Michelle D. Curtis, James B. McClintock, and Bill J. Baker. "Impacts of gastropods on epiphytic microalgae on the brown macroalga Himantothallus grandifolius." Antarctic Science 31, no. 2 (2019): 89–97. http://dx.doi.org/10.1017/s0954102019000014.

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AbstractChemically defended benthic macroalgae that dominate shallow, hard bottom communities along the western Antarctic Peninsula support very high densities of mesograzers, particularly amphipods but also small gastropods. Previous studies have demonstrated that the macroalgae and amphipods form a mutualistic relationship. The chemically defended macroalgae provide the amphipods with a refuge from predation while the macroalgae benefit from the amphipods greatly reducing surface fouling by smaller algae. One of the three most important macroalgae in terms of overstory cover, Himantothallus

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Lõugas, Laura, Tiit Kutser, Jonne Kotta, and Ele Vahtmäe. "Detecting Long Time Changes in Benthic Macroalgal Cover Using Landsat Image Archive." Remote Sensing 12, no. 11 (2020): 1901. http://dx.doi.org/10.3390/rs12111901.

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Coastal macroalgae worldwide provide multiple ecological functions and support vital ecosystem services. Thereby, it is important to monitor changes in the extent of benthic macroalgal cover. However, as in situ sampling is costly and time-consuming, areal estimates of macroalgal species cover are often based only on a limited number of samples. This low sampling effort likely yields very biased estimates, as macroalgal communities are often characterized by large spatial variability at multiple spatial scales. Moreover, ecological time series are often short-term, making it impossible to asse

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Tsiamis, Konstantinos, Maria Salomidi, Vasilis Gerakaris, et al. "Macroalgal vegetation on a north European artificial reef (Loch Linnhe, Scotland): biodiversity, community types and role of abiotic factors." Journal of Applied Phycology 32, no. 2 (2020): 1353–63. http://dx.doi.org/10.1007/s10811-019-01918-2.

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AbstractVery little is known about the marine macroalgae of artificial reefs—especially in the North Atlantic—despite the growing number and extent of man-made structures in the sea, and even though seaweed communities have paramount importance as primary producers, but also as feeding, reproductive and nursery grounds in coastal ecosystems. This paper explores the macroalgal diversity of a large system of artificial reefs in Loch Linnhe, on the west coast of Scotland, in a quantitative and qualitative study based on diving surveys and correlates the observations with the prevalent abiotic fac

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15

He, Quan, Linqing Liu, Yujie Qin, et al. "Taxonomic and Morpho-Functional Photosynthetic Patterns of 18 Intertidal Macroalgal Species in the Guangdong–Hong Kong–Macao Greater Bay Area, China." Journal of Marine Science and Engineering 11, no. 7 (2023): 1409. http://dx.doi.org/10.3390/jmse11071409.

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Macroalgae provide food for microbial, meio- and macro-faunal communities in coastal ecosystems, thus mediating nutrient dynamics and functions in these ecosystems. Because of this vital role, it is important to clarify physiological information about macroalgae as it reflects their growth potential in the field. In this study, we examined the biomass, pigment content, and photosynthetic O2 evolution rate versus irradiance curves of 18 macroalgal species from the intertidal zone of the Guangdong–Hong Kong–Macao Greater Bay Area, China, and investigated their photosynthetic patterns in relation

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Kruss, Aleksandra, Jarosław Tęgowski, Agnieszka Tatarek, Józef Wiktor, and Philippe Blondel. "Spatial distribution of macroalgae along the shores of Kongsfjorden (West Spitsbergen) using acoustic imaging." Polish Polar Research 38, no. 2 (2017): 205–29. http://dx.doi.org/10.1515/popore-2017-0009.

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Abstract The identification of macroalgal beds is a crucial component for the description of fjord ecosystems. Direct, biological sampling is still the most popular investigation technique but acoustic methods are becoming increasingly recognized as a very efficient tool for the assessment of benthic communities. In 2007 we carried out the first acoustic survey of the littoral areas in Kongsfjorden. A 2.68 km2 area comprised within a 12.40 km2 euphotic zone was mapped along the fjord’s coast using single- and multi-beam echosounders. The singlebeam echosounder (SBES) proved to be a very effici

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Correia, Kelly M., Scott B. Alford, Benjamin A. Belgrad, et al. "Drift macroalgal distribution in northern Gulf of Mexico seagrass meadows." PeerJ 10 (August 23, 2022): e13855. http://dx.doi.org/10.7717/peerj.13855.

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Drift macroalgae, often found in clumps or mats adjacent to or within seagrass beds, can increase the value of seagrass beds as habitat for nekton via added food resources and structural complexity. But, as algal biomass increases, it can also decrease light availability, inhibit faunal movements, smother benthic communities, and contribute to hypoxia, all of which can reduce nekton abundance. We quantified the abundance and distribution of drift macroalgae within seagrass meadows dominated by turtle grass Thalassia testudinum across the northern Gulf of Mexico and compared seagrass characteri

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Tuaputty, Hasan, Pamela Mercy Papilaya, Prelly Tuapattinaya, Cornelia Parry, and Saiful Alimudi. "Macroalgae As a Source of Food And Health For Coastal Communities in Moluccas Province." BIOEDUPAT: Pattimura Journal of Biology and Learning 4, no. 1 (2024): 153–64. https://doi.org/10.30598/bioedupat.v4.i1.pp153-164.

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These various types of macroalgae have an important role in the lives of coastal communities as a source of nutritious food and also have ecological and biological functions in maintaining the stability of marine ecosystems and as a place to live and protect other biota. This group of macroalgae has economic potential, namely as food, raw materials in industry and health. To find out macroalgae as a source of food and health, a study was carried out using a collaborative experimental research approach in the F-MIPA Laboratory at Pattimura University and field surveys in various districts of Mo

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Jung, Seung Wook, and Chang Geun Choi. "Estimation of Marine Macroalgal Biomass Using a Coverage Analysis." Journal of Marine Science and Engineering 10, no. 11 (2022): 1676. http://dx.doi.org/10.3390/jmse10111676.

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This study was conducted to assess the feasibility of biomass estimation by non-destructive sampling, determine whether the results derived from various types of marine macroalgae are reliable, and a newly proposed method. A quantitative survey was conducted on marine macroalgae communities distributed in the subtidal zone in 67 coastal regions in Korea. Regression analyses were conducted on 11,642 fresh weight datasets covering of 135 species of marine macroalgae. The linear function was FW = 17.721C (adj r2 = 0.745, p < 0.001) and the power function was FW = 4.48C1.251 (adj r2 = 0.891, p

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Wulandari, Sekar Ajeng, Bintang Marhaeni, and Maria Dyah Nur Meinita. "Macroalgae Community Structure at Semak Daun Island, Kepulauan Seribu, Indonesia." Omni-Akuatika 16, no. 3 (2020): 21. http://dx.doi.org/10.20884/1.oa.2020.16.3.847.

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Semak Daun Island was part of the Kepulauan Seribu which was a marine tourism destination such as snorkeling and diving site. The existence of these activities had been affecting the condition of the biota community that lives in these waters including macroalgae. The condition of macroalgae communities can be observed by abundance, diversity, uniformity and dominance analysis that occur in these communities that are known as the community structure. The purpose of this study was to determine the structure of macroalgae communities (abundance, diversity, uniformity and dominance) in Semak Daun

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Entwisle, TJ. "Macroalgae, in the Upper Yarra and Watts River catchments: Distribution and Phenology." Marine and Freshwater Research 41, no. 4 (1990): 505. http://dx.doi.org/10.1071/mf9900505.

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Studies on the floristics and phenology of macroalgal communities in the upper Yarra and Watts River catchments have shown that the urbanized reaches of the Yarra River near Warburton are relatively species-rich and that they include nearly all macroalgal taxa found in protected catchments upstream. The lower of three river sites near Warburton, however, includes fewer species and is seasonally dominated by Vaucheria bursata, a saproxenous alga. The macroalgal communities on solid rock are distinct from those on loose rock subject to flood movement, and they include more taxa with basally atta

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Chen, Yinglong, Pengbing Pei, Muhammad Aslam, et al. "Microorganisms in Macroalgae Cultivation Ecosystems: A Systematic Review and Future Prospects Based on Bibliometric Analysis." Microorganisms 13, no. 5 (2025): 1110. https://doi.org/10.3390/microorganisms13051110.

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Microorganisms play an essential role in the biogeochemical processes of macroalgal cultivation ecosystems by participating in a complex network of interactions, significantly influencing the growth and development of macroalgae. This study used bibliometric analysis and VOSviewer based on Web of Science data to provide an overview by tracing the developmental footprint of the technology. Countries, institutions, authors, keywords, and key phrases were tracked and mapped accordingly. From 1 January 2003 to 31 December 2023, 619 documents by 2516 authors from 716 institutions in 51 countries we

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Cheutin, Marie-Charlotte, Sébastien Villéger, Christina C. Hicks, et al. "Microbial Shift in the Enteric Bacteriome of Coral Reef Fish Following Climate-Driven Regime Shifts." Microorganisms 9, no. 8 (2021): 1711. http://dx.doi.org/10.3390/microorganisms9081711.

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Replacement of coral by macroalgae in post-disturbance reefs, also called a “coral-macroalgal regime shift”, is increasing in response to climate-driven ocean warming. Such ecosystem change is known to impact planktonic and benthic reef microbial communities but few studies have examined the effect on animal microbiota. In order to understand the consequence of coral-macroalgal shifts on the coral reef fish enteric bacteriome, we used a metabarcoding approach to examine the gut bacteriomes of 99 individual fish representing 36 species collected on reefs of the Inner Seychelles islands that, fo

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Al-Khaldi, Wejdan Ahmed, Lafi Al Solami, and Sathianeson Satheesh. "Effects of copper and cadmium on physiology and antifouling defense of the marine macroalga Ulva reticulata." Oceanological and Hydrobiological Studies 50, no. 2 (2021): 184–97. http://dx.doi.org/10.2478/oandhs-2021-0017.

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Abstract Heavy metals are major stressors for benthic macroalgal communities in marine ecosystems. In this study, the effects of copper and cadmium on some physiological parameters along with antifouling defense of the marine macroalga Ulva reticulata were assessed under laboratory conditions. Macroalgal samples were treated with three concentrations (1 mg l−1, 3 mg l−1 and 5 mg l−1) of copper and cadmium for 2 and 7 days. After treatment, algal samples were analyzed for chlorophyll-a, carotenoid, total polyphenol and total antioxidant capacity. Also, algal extracts were tested against biofilm

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Phillips, J. A., C. Conacher, and J. Horrocks. "Marine macroalgae from the Gulf of Carpentaria, tropical northern Australia." Australian Systematic Botany 12, no. 3 (1999): 449. http://dx.doi.org/10.1071/sb98010.

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Over the last two decades, CSIRO surveys of the seagrass communities in the south-western Gulf of Carpentaria and at Groote Eylandt, the Northern Territory, have provided opportunities for the collection of marine macroalgae from this poorly explored, remote region. Although the cruises did not concentrate on macroalgal communities which typically grow on rocky substrates, 64 specific and subspecific taxa of marine Chlorophyta, Phaeophyceae and Rhodophyta were collected, including 30 species newly recorded for the Gulf. The majority of Gulf species also occur on the tropical eastern Australian

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Trias, Rosalia, Arantzazu García-Lledó, Noemí Sánchez, José Luis López-Jurado, Sara Hallin, and Lluís Bañeras. "Abundance and Composition of Epiphytic Bacterial and Archaeal Ammonia Oxidizers of Marine Red and Brown Macroalgae." Applied and Environmental Microbiology 78, no. 2 (2011): 318–25. http://dx.doi.org/10.1128/aem.05904-11.

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ABSTRACTAmmonia-oxidizing bacteria (AOB) and archaea (AOA) are important for nitrogen cycling in marine ecosystems. Little is known about the diversity and abundance of these organisms on the surface of marine macroalgae, despite the algae's potential importance to create surfaces and local oxygen-rich environments supporting ammonia oxidation at depths with low dissolved oxygen levels. We determined the abundance and composition of the epiphytic bacterial and archaeal ammonia-oxidizing communities on three species of macroalgae,Osmundaria volubilis,Phyllophora crispa, andLaminaria rodriguezii

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Ba-Akdah, M. A., S. Satheesh, and A. A. Al-Sofyani. "Habitat preference and seasonal variability of epifaunal assemblages associated with macroalgal beds on the Central Red Sea coast, Saudi Arabia." Journal of the Marine Biological Association of the United Kingdom 96, no. 7 (2015): 1457–67. http://dx.doi.org/10.1017/s0025315415001678.

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Macroalgal communities of coastal ecosystems play a key role in maintaining overall coastal biodiversity. In this study, habitat preference (macroalgal host preference) and temporal changes (season) of epifaunal communities associated to five macroalgal species such as Padina, Sargassum, Ulva, Acanthophora and Gracilaria were observed at seasonal intervals (summer and winter) for 2 years from May 2012 to March 2014 on the Jeddah coastal waters of the Red Sea. Major epifaunal groups observed included polychaetes, amphipods, isopods, gastropods, mussels and crabs. Polychaetes were represented by

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Hernández-Casas, Cynthia Mariana, Ángela Catalina Mendoza-González, Deisy Yazmín García-López, and Luz Elena Mateo-Cid. "Spatio-Temporal Structure of Two Seaweeds Communities in Campeche, Mexico." Diversity 16, no. 6 (2024): 344. http://dx.doi.org/10.3390/d16060344.

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Macroalgae populations are influenced by various factors that define their spatial and temporal distribution in different habitats and regions. In Mexico, studies addressing the abundance and diversity of macroalgae communities related to environmental factors are scarce. The objective is to determine the spatio-temporal variation of the structure of the community of seaweeds in Xpicob and Villamar, Campeche, during three climatic seasons. Sampling took place during each season using transects and quadrants; additionally, the type of substrate, water temperature, transparency, depth, salinity,

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Smith, Jennifer E., Rusty Brainard, Amanda Carter, et al. "Re-evaluating the health of coral reef communities: baselines and evidence for human impacts across the central Pacific." Proceedings of the Royal Society B: Biological Sciences 283, no. 1822 (2016): 20151985. http://dx.doi.org/10.1098/rspb.2015.1985.

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Numerous studies have documented declines in the abundance of reef-building corals over the last several decades and in some but not all cases, phase shifts to dominance by macroalgae have occurred. These assessments, however, often ignore the remainder of the benthos and thus provide limited information on the present-day structure and function of coral reef communities. Here, using an unprecedentedly large dataset collected within the last 10 years across 56 islands spanning five archipelagos in the central Pacific, we examine how benthic reef communities differ in the presence and absence o

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Majewska, Roksana, Maria Cristina Gambi, Cecilia Maria Totti, and Mario De Stefano. "Epiphytic diatom communities of Terra Nova Bay, Ross Sea, Antarctica: structural analysis and relations to algal host." Antarctic Science 25, no. 4 (2013): 501–13. http://dx.doi.org/10.1017/s0954102012001101.

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AbstractEpiphytic diatoms are important constituents of the Southern Ocean coastal water ecosystem, being a key element in many of the Antarctic trophic chains. However, only limited information exists relating to these microalgal communities. Here we describe our findings of a study on epiphytic diatoms from Terra Nova Bay (Ross Sea, Antarctica) based on material collected during the summer campaigns spanning from 1990–2004. Observations of diatoms associated with three rhodophyte species (Iridaea cordata (Turner) Bory, Phyllophora antarctica Gepp & Gepp, and Plocamium cartilagineum (L.)

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González, Jorge E., Beatriz Yannicelli, Fabián Rodríguez-Zaragoza, and Marco Ortiz. "Biogenic habitats as drivers of invertebrate benthic community variability in Tongoy Bay (SE Pacific coast): implications of macroalga harvesting." Scientia Marina 87, no. 1 (2023): e057. http://dx.doi.org/10.3989/scimar.05350.057.

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Habitat biogenic complexity is thought to exert a significant positive influence on benthic communities. We examined the link between the seasonal variability of macroinvertebrate community structure (species and trophic richness, diversity and biomass) and habitats with different macroalgal assemblages. We identified macroinvertebrates and algae from 336 samples spread over four types of habitat: sand, mud, sand-gravel and seagrass meadows. Considering the whole macroalgal and macroinvertebrate assemblage, we confirmed that macroinvertebrate community variability within and among habitats can

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Tompkins, Paul, and Matthias Wolff. "Galápagos macroalgae: A review of the state of ecological knowledge." Revista de Biología Tropical 65, no. 1 (2016): 375. http://dx.doi.org/10.15517/rbt.v65i1.18139.

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Previous work has highlighted the critical role of macroalgal productivity and dynamics in supporting and structuring marine food webs. Spatio-temporal variability in macroalgae can alter coastal ecosystems, a relationship particularly visible along upwelling-influenced coastlines. As a result of its equatorial location and nutrient rich, upwelling-influenced waters, the Galápagos Archipelago in the East Pacific, hosts a productive and biodiverse marine ecosystem. Reports and collections of macroalgae date back to the Beagle voyage, and since then, more than three hundred species have been rep

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Rugebregt, Marsya Jaqualine, Hairati Arfah, and Ferdinand Pattipeilohy. "Correlation between macroalgae diversity and water quality in Southwest Maluku waters." Marine Research in Indonesia 45, no. 1 (2020): 25–32. http://dx.doi.org/10.14203/mri.v45i1.573.

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Macroalgae play an important role in the ecosystem of the coastal area, serving as a shelter ground, nursery ground, and feeding ground. Macroalgae communities are directly influenced by water quality. This study aim was to determine the correlation between the macroalgae diversity and water quality in southwest Maluku waters. This research was conducted in September 2019 at seven research stations. Macroalgae samples were collected by transect method, while seawater quality was measured using Van Dorn Water Sampler. The macroalgae diversity, species composition, and dominance were determined.

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Rishworth, Gavin M., Renzo Perissinotto, Matthew S. Bird, and Noémie Pelletier. "Grazer responses to variable macroalgal resource conditions facilitate habitat structuring." Royal Society Open Science 5, no. 1 (2018): 171428. http://dx.doi.org/10.1098/rsos.171428.

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Consumer responses to altered resource conditions can vary depending on dietary preference, resource characteristics and secondary resource features such as shelter. These can have cascading effects, especially if the consumed resource impacts on overall ecological functioning. In this study, we assessed the dietary composition of grazer communities following seasonal changes in the characteristics of their staple food-source (macroalgae). This was conducted in the living stromatolite pools growing along the coast of South Africa. Stable isotope mixing models suggested that following macroalga

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Binning, Sandra, Charalampos Mavromatis, and Frédéric Guichard. "Density-dependent succession in Caribbean seagrass communities." McGill Science Undergraduate Research Journal 2, no. 1 (2007): 28–31. http://dx.doi.org/10.26443/msurj.v2i1.138.

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    It is important to understand the patterns of succession and competition in seagrass beds as a way of explaining recovery processes after disturbances. This project studies macroalgae-seagrass succession dynamics in the Caribbean, and tests the importance of interspecific density-dependence (competition) in predicting the successional sequence of species in a wave-disturbed ecosystem. Competition and gap disturbances seem to be the dominant factors influencing species coexistence in offshore regions whereas habitat partitioning driven by differences in depth, distur

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M. Kuba, Gabrielle, Heather L. Spalding, Kristina M. Hill-Spanik, et al. "Characterization of macroalgal-associated microbial communities from shallow to mesophotic depths at Manawai, Papahānaumokuākea Marine National Monument, Hawai‘i." PeerJ 11 (October 3, 2023): e16114. http://dx.doi.org/10.7717/peerj.16114.

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The Papahānaumokuākea Marine National Monument, Hawai‘i, is one of the most isolated and protected archipelagos in the world, making it a natural laboratory to examine macroalgal-microbial diversity because of limited direct anthropogenic impacts. We collected the most abundant macroalgae from nine sites ranging from shallow subtidal (1.5 m) to mesophotic (75 m) depths around Manawai (Pearl and Hermes Atoll). We characterized the macroalgal bacterial communities via high-throughput amplicon sequencing and compared the influence of host phylum, species, site, and depth on these relationships

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Diruit, Wendy, Anthony Le Bris, Touria Bajjouk, et al. "Seaweed Habitats on the Shore: Characterization through Hyperspectral UAV Imagery and Field Sampling." Remote Sensing 14, no. 13 (2022): 3124. http://dx.doi.org/10.3390/rs14133124.

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Intertidal macroalgal habitats are major components of temperate coastal ecosystems. Their distribution was studied using field sampling and hyperspectral remote mapping on a rocky shore of Porspoder (western Brittany, France). Covers of both dominating macroalgae and the sessile fauna were characterized in situ at low tide in 24 sampling spots, according to four bathymetric levels. A zone of ca. 17,000 m2 was characterized using a drone equipped with a hyperspectral camera. Macroalgae were identified by image processing using two classification methods to assess the representativeness of spec

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Farrugia Drakard, Veronica, Sandro Lanfranco, and Patrick J. Schembri. "Macroalgal fouling communities as indicators of environmental change: potential applications for water quality monitoring." Journal of the Marine Biological Association of the United Kingdom 98, no. 7 (2017): 1581–88. http://dx.doi.org/10.1017/s0025315417001102.

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Macroalgal fouling communities are potentially useful as bioindicators in environmental monitoring as they are considered to be sensitive to changes in environmental conditions and the use of artificial substrata facilitates the implementation of standardized sampling strategies. The response of macroalgal fouling communities on buoys to changes in water quality was investigated with a view to the possible utilization of these assemblages in environmental monitoring programmes. Seven study sites were selected based on previously collected environmental data and Principal Components Analysis (P

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Spiers, Lindsay, and Thomas K. Frazer. "Comparison of feeding preferences of herbivorous fishes and the sea urchin Diadema antillarum in Little Cayman." PeerJ 11 (November 15, 2023): e16264. http://dx.doi.org/10.7717/peerj.16264.

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On Caribbean coral reefs, losses of two key groups of grazers, herbivorous fishes and Diadema antillarum, coincided with dramatic increases in macroalgae, which have contributed to decreases in the resilience of these coral reefs and continued low coral cover. In some locations, herbivorous reef fishes and D. antillarum populations have begun to recover, and reductions in macroalgal cover and abundance have followed. Harder to determine, and perhaps more important, are the combined grazing effects of herbivorous fishes and D. antillarum on the structure of macroalgal communities. Surprisingly

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Dwimayasanti, Rany, and Dedy Kurnianto. "Komunitas Makroalga di Perairan Tayando-Tam, Maluku Tenggara." Oseanologi dan Limnologi di Indonesia 3, no. 1 (2018): 39. http://dx.doi.org/10.14203/oldi.2018.v3i1.82.

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<strong>Community of Macroalgae in Tayando-Tam Waters, Southeast Maluku.</strong> Macroalgae is one of the most important economically valuable resources to be developed for food and medicine. This study aims to determine the structure of macroalgae communities by examining the diversity, density, dominance and environmental conditions of its waters. The research was conducted in Tayando-Tam waters, Southeast Moluccas at five stations in September 2015. The study was conducted by transect along 200 meters from the coast to the open shore, observation stations in 50x50 cm quadrant s

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Koutsoukos, Victor de Souza, Roberto Campos Villaça, and Maria Teresa Menezes de Széchy. "THE STRUCTURE OF SUBTIDAL MACROALGAL ASSEMBLAGES AT THE TAMOIOS ECOLOGICAL STATION, A THREATENED CONSERVATION UNIT IN RIO DE JANEIRO, BRAZIL." Brazilian Journal of Oceanography 63, no. 1 (2015): 71–82. http://dx.doi.org/10.1590/s1679-87592015082606301.

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The structure of subtidal rocky bottom communities at Tamoios Ecological Station (TES), situated in Ilha Grande Bay, Rio de Janeiro State, as well as in other Brazilian marine protected areas, is insufficiently characterized. The present study describes the macroalgal assemblages of shallow subtidal rocky bottoms on two islands of the TES-Imboassica (IM) and Búzios Pequena (BP)adopting species and genera as observational units. Two sites were surveyed on each island in summer 2011. Random 30x30 cm quadrats (n=3) were scraped to collect all macroalgae except crustose species. The subtidal assem

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Binzer, T., and AL Middelboe. "From thallus to communities: scale effects and photosynthetic performance in macroalgae communities." Marine Ecology Progress Series 287 (2005): 65–75. http://dx.doi.org/10.3354/meps287065.

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Valina, Rahmi, Dias Asthisa, Novelia M. A. Pangalila, Farhan A. Timumu, and Fitra M. A. Kasim. "Macroalgae community structure on Kumeke Island, East Bolaang Mongondow Regency, North Sulawesi Province, Indonesia." AQUATIC SCIENCE & MANAGEMENT 12, no. 2 (2024): 6–11. https://doi.org/10.35800/jasm.v12i2.58391.

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Macroalgae is one of the potential biological resources in Indonesian waters that has many important roles, from an ecological to an economic perspective. The aim of this research is to analyse the structure of macroalgae communities found in the waters of Kumeke Island, East Bolaang Mongondow Regency, Indonesia. The method used in this research is a survey with descriptive data analysis. Determining the sampling station point is carried out by purposive sampling, namely by selecting an area based on the presence of macroalgae. Macroalgae sampling used the line transect method with a quadratic

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Caronni, Sarah, Chiara Calabretti, Sandra Citterio, et al. "The interactive effect of herbivory, nutrient enrichment and mucilage on shallow rocky macroalgal communities." PeerJ 7 (May 13, 2019): e6908. http://dx.doi.org/10.7717/peerj.6908.

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This paper focuses on the interactive short and long-term effect of three different stressors on a macroalgal assemblage. Three stressors are considered: herbivory, nutrients and mucilage. The experiment was conducted in Tavolara Punta Coda Cavallo Marine Protected Area (Mediterranean Sea) during a bloom of the benthic mucilage-producing microalga Chrysophaeum taylorii (Pelagophyceae); this microalga is recently spreading in the Mediterranean Sea. On a rocky substratum, 36 plots 20 × 20 cm in size were prepared. Factorial combinations of three experimental treatments were applied in triplicate

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Nikolaou, Athanasios, Konstantinos Tsirintanis, Gil Rilov, and Stelios Katsanevakis. "Invasive Fish and Sea Urchins Drive the Status of Canopy Forming Macroalgae in the Eastern Mediterranean." Biology 12, no. 6 (2023): 763. http://dx.doi.org/10.3390/biology12060763.

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Canopy-forming macroalgae, such as Cystoseira sensu lato, increase the three-dimensional complexity and spatial heterogeneity of rocky reefs, enhancing biodiversity and productivity in coastal areas. Extensive loss of canopy algae has been recorded in recent decades throughout the Mediterranean Sea due to various anthropogenic pressures. In this study, we assessed the biomass of fish assemblages, sea urchin density, and the vertical distribution of macroalgal communities in the Aegean and Levantine Seas. The herbivore fish biomass was significantly higher in the South Aegean and Levantine comp

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Żelazna-Wieczorek, Joanna, and Monika Mamińska. "Algoflora and vascular flora of a limestone spring in the Warta river valley." Acta Societatis Botanicorum Poloniae 75, no. 2 (2011): 131–43. http://dx.doi.org/10.5586/asbp.2006.016.

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Qualitative analysis of algae, including microhabitats and vascular vegetation in a spring niche, together with basic physical and chemical characteristics is presented. 175 diatom taxa as well as taxa of macroalgae and vascular plants were determined in the spring niche, and the community types were defined. Seasonal variability of diatom communities was observed. The influence of a flood as a catastrophe on the community of diatoms and macroalgae was noticed.

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Reverter, Miriam, Matthew Jackson, Nauras Daraghmeh, Christian von Mach, and Nina Milton. "11-yr of coral community dynamics in reefs around Dahab (Gulf of Aqaba, Red Sea): the collapse of urchins and rise of macroalgae and cyanobacterial mats." Coral Reefs 39, no. 6 (2020): 1605–18. http://dx.doi.org/10.1007/s00338-020-01988-6.

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AbstractCorals from the Gulf of Aqaba (northern Red Sea) are resilient to high temperatures and therefore this region is regarded as globally important for reef conservation. However, long-term dynamics of coral reef assemblages from the Gulf of Aqaba remain largely understudied. In this study, we analysed the change in benthic, fish and invertebrate assemblages of reefs around Dahab (South Sinai, Egypt) between 2009 and 2019. We also studied the individual trajectories of coral reef benthic categories, key invertebrate and fish species and their relationship. As site emerged as the main facto

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Nadiarti, Nadiarti, Yayu A. La Nafie, Dody Priosambodo, et al. "Restored seagrass beds support Macroalgae and Sea Urchin communities." IOP Conference Series: Earth and Environmental Science 860, no. 1 (2021): 012014. http://dx.doi.org/10.1088/1755-1315/860/1/012014.

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Burfeid-Castellanos, Andrea M., Rafael P. Martín-Martín, Michael Kloster, Carlos Angulo-Preckler, Conxita Avila, and Bánk Beszteri. "Epiphytic diatom community structure and richness is determined by macroalgal host and location in the South Shetland Islands (Antarctica)." PLOS ONE 16, no. 4 (2021): e0250629. http://dx.doi.org/10.1371/journal.pone.0250629.

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The marine waters around the South Shetland Islands are paramount in the primary production of this Antarctic ecosystem. With the increasing effects of climate change and the annual retreat of the ice shelf, the importance of macroalgae and their diatom epiphytes in primary production also increases. The relationships and interactions between these organisms have scarcely been studied in Antarctica, and even less in the volcanic ecosystem of Deception Island, which can be seen as a natural proxy of climate change in Antarctica because of its vulcanism, and the open marine system of Livingston

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Burgo, Martina, Katharina E. Fabricius, and Andrew S. Hoey. "The structure and composition of macroalgal communities influence coral recruitment on an inshore reef of the Great Barrier Reef." Coral Reefs, June 19, 2025. https://doi.org/10.1007/s00338-025-02691-0.

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Abstract On inshore coral reefs, coral cover declines from disturbances are often accompanied by increases in macroalgal cover. Thus, coral recovery often occurs against a backdrop of elevated macroalgae cover. While ‘macroalgae’ are generally assumed to reduce coral recruitment, their taxonomic composition and structure vary considerably. Here, we test whether different macroalgal assemblages affect coral recruitment on an inshore reef by experimentally manipulating macroalgal assemblages within forty 1 m2 plots on the shallow reef crest in Florence Bay, Magnetic Island (central inshore Great

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