Academic literature on the topic 'Macroalgae communities'

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Journal articles on the topic "Macroalgae communities"

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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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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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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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Dissertations / Theses on the topic "Macroalgae communities"

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Hyslop, Brian T. "The effects of colliery waste on littoral species and communities." Thesis, University of Sunderland, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320539.

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Boller, Michael Louis. "Hydrodynamics of marine macroalgae : biotic and physical determinants of drag /." View online ; access limited to URI, 2005. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3188836.

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Albakosh, Mouna Abdalhamed. "Identification and characterization of microorganisms associated with marine macroalgae Splachnidium rugosum." University of the Western Cape, 2014. http://hdl.handle.net/11394/4711.

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>Magister Scientiae - MSc<br>Marine macroalgae are known to carry diverse bacterial communities which interact with their hosts in both harmful and beneficial ways. Algae hosts provide the bacteria with a rich source of carbon in the form of carbohydrate polysaccharides such as fucoidan, agar and alginate, which the bacteria enzymatically degrade. Splachnidium rugosum is a brown alga (Phylum: Phaeophyta) that grows exclusively in the Southern Hemisphere along the temperate shores of South Africa, New Zealand and Australia. While several studies have investigated S. rugosum distribution and fuc
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Baggini, Cecilia. "Assessing the effects of long-term ocean acidification on benthic communities at CO2 seeps." Thesis, University of Plymouth, 2015. http://hdl.handle.net/10026.1/3321.

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Ocean acidification has the potential to profoundly affect marine ecosystems before the end of this century, but there are large uncertainties on its effects on temperate benthic communities. Volcanic CO2 seeps provide an opportunity to examine and improve our understanding of community responses to ocean acidification. In this thesis, two Mediterranean CO2 seeps (Methana in Greece and Vulcano in Italy) were used to investigate the responses of macroalgae and their epifaunal communities to increased CO2. Changes in plant-herbivore interactions at elevated CO2, as well as adaptation potential o
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Gilby, Ben L. "Variability in Marginal Coral Reef Communities: Implications for Marine Protected Area Management." Thesis, Griffith University, 2015. http://hdl.handle.net/10072/367997.

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Human impacts on ecosystem health and functioning are an important and increasing problem for marine ecosystems. In order to properly implement effective management techniques for the amelioration or reversal of these impacts, we require accurate information regarding the degree to which these systems vary naturally and what factors primarily drive this variability. Further, understanding where the influence of particular management interventions rank relative to other potential drivers of community structure is important in understanding potential and realised management success. In addition
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Young, John J. "Experimental harvests of macroalgae along the Oregon coast with an analysis of associated epiphytic diatom communities." Thesis, Thesis (M.S.)--University of Oregon, 2003, 2003. http://hdl.handle.net/1794/10076.

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Qvarfordt, Susanne. "Phytobenthic communities in the Baltic Sea - seasonal patterns in settlement and succession." Doctoral thesis, Stockholm : Department of Systems Ecology, Stockholm University, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1153.

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Duran, Alain. "Effects of Multiple Ecological Drivers on Recruitment and Succession of Coral Reef Macroalgal Communities." FIU Digital Commons, 2013. http://digitalcommons.fiu.edu/etd/905.

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The study evaluated the effects of herbivory pressure, nutrient availability and potential propagule supply on recruitment and succession of coral reef macroalgal communities. Recruitment and succession tiles were placed in a nutrient-herbivory factorial experiment and macroalgal abundances were evaluated through time. Proportional abundances of macroalgal form-functional groups on recruitment and succession tiles were similar to field established communities within treatments, evidencing possible effects of adult macroalgae as propagule supply. Macroalgal abundance of recruitment tiles increa
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Wallenstein, Faria e. Maia de Macedo Francisco Luis. "Rocky shore macroalgae communities of the Azores (Portugal) and the British Isles : a comparison for the development of ecological quality assessment tools." Thesis, Heriot-Watt University, 2011. http://hdl.handle.net/10399/2437.

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This thesis focuses on intertidal seaweed communities on rocky shores and was planned to provide solid scientific background for the application of the EU Water Framework Directive (WFD) to the Azores based on the tool developed for British shores. The main structuring factors for rocky shore intertidal communities are briefly described and characterized for each of the two regions. Rocky shore intertidal seaweed communities of the British Isles and the Azores are compared based on presence/absence data recorded in single occasion visits to individual stretches of shore. The existing numerical
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Azcona, Alexandra. "The Use of Stable Isotopes to Assess Potential Effects of Algal Blooms on Seagrass and Macroalgae Communities in the Indian River Lagoon, Florida." Honors in the Major Thesis, University of Central Florida, 2014. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1573.

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Algal blooms have caused significant losses in seagrass and macroalgae in the Indian River Lagoon, FL. To gain an understanding of these effects, samples of Gracilaria sp., Halodule wrightii, pinfish, and white mullet were taken throughout October and November of 2013. Samples from 2001 of Gracilaria sp., Halodule wrightii, Syringodium filiforme, Thalassia testudinum, pinfish, spotted seatrout, and white mullet were also obtained. Stable isotope data were obtained from these samples and compared by year and species. Halodule wrightii and pinfish had a significantly larger 2013 [delta]C13 value
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Books on the topic "Macroalgae communities"

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Robin, Rigby P., Iken Katrin, and Shirayama Yoshihisa, eds. Sampling biodiversity in coastal communities: NaGISA protocols for seagrass and macroalgal habitats. Kyoto University Press in association with NUS Press, 2007.

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Guide to the dominant macroalgae of the stromatolite fringing reef complex, Highborne Cay, Bahamas. Smithsonian Institution, National Museum of Natural History, 2005.

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Book chapters on the topic "Macroalgae communities"

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Friedrich, Michael W. "Bacterial Communities on Macroalgae." In Ecological Studies. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28451-9_10.

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Leiva, Sergio. "Bacterial Communities Associated With Macroalgae In Antarctica." In Extreme Environments. CRC Press, 2021. http://dx.doi.org/10.1201/9780429343452-9.

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Bellissimo, Giancarlo, Benedetto Sirchia, and Vincenzo Ruvolo. "Assessment of the ecological status of Sicilian coastal waters according to a macroalgae based index (CARLIT)." In Proceedings e report. Firenze University Press, 2020. http://dx.doi.org/10.36253/978-88-5518-147-1.52.

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In the frame of the European Water Framework Directive (WFD, 2000/60/EC), a macroalgae based index (CARLIT) was applied along the Sicilian coastal water bodies (WBs) in order to assess for the first time their ecological status and collect accurate information on the distribution and abundance of shallow-water communities, especially of those most sensitive. The ecological quality ratio values, sensu WFD, showed “high”/“good” levels in all WBs with lushy forests of Cystoseira amentacea except two with “moderate” level due to the presence of stress-tolerant species related to local factors.
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Yokoya, Nair S., Franciane M. Pellizzari, Rafael de Felício, et al. "Mangrove Macroalgal Communities." In Brazilian Mangroves and Salt Marshes. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-13486-9_8.

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de Souza Maia, Ivanilson, Dárlio Inácio Alves Teixeira, Vigínia Maria Cavalari Henriques, and Maulori Curié Cabral. "Macroalgae Mariculture as a Social and Environmental Alternative for Coastal Traditional Communities of the Semi-Arid Region of Northeast Brazil." In Participatory Biodiversity Conservation. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-41686-7_6.

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Baker, Bill J., Charles D. Amsler, and James B. McClintock. "Macroalgal Chemical Defenses in Polar Marine Communities." In Algal Chemical Ecology. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74181-7_4.

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Camacho, Frank A. "Macroalgal and Cyanobacterial Chemical Defenses in Freshwater Communities." In Algal Chemical Ecology. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74181-7_5.

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Pereira, Renato Crespo, and B. A. P. da Gama. "Macroalgal Chemical Defenses and Their Roles in Structuring Tropical Marine Communities." In Algal Chemical Ecology. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74181-7_2.

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Jormalainen, Veijo, and Tuija Honkanen. "Macroalgal Chemical Defenses and Their Roles in Structuring Temperate Marine Communities." In Algal Chemical Ecology. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74181-7_3.

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Yoneshigue-Valentin, Y., and J. L. Valentin. "Macroalgae of the Cabo Frio Upwelling Region, Brazil: Ordination of Communities." In Coastal Plant Communities of Latin America. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-08-092567-7.50008-8.

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Conference papers on the topic "Macroalgae communities"

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Gubelit, Yu I. "Factors, influencing on macroalgal communities in the Neva estuary (eastern Baltic Sea)." In 2012 IEEE/OES Baltic International Symposium (BALTIC). IEEE, 2012. http://dx.doi.org/10.1109/baltic.2012.6249173.

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Reports on the topic "Macroalgae communities"

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Mitchell, Brian G., Amir Neori, Charles Yarish, D. Allen Davis, Tzachi Samocha, and Lior Guttman. The use of aquaculture effluents in spray culture for the production of high protein macroalgae for shrimp aqua-feeds. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7597934.bard.

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The FAO has projected a doubling in world demand for seafood during the 21 ed from aquaculture of marine fish and shrimps fed primarily on fishmeal-based aquafeeds. However, current practices of high intensity monoculture of shrimp in coastal ponds and fish in offshore pens have been strongly criticized as being ecologically and socially unsustainable. This view derives from un- checked eutrophication of coastal marine ecosystems from fish farm effluents, and the destruction of coastal estuarine ecosystems by shrimp farm constructions, plus aquaculture’s reliance on wild-caught small fish - wh
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Anderson, Donald M., Lorraine C. Backer, Keith Bouma-Gregson, et al. Harmful Algal Research & Response: A National Environmental Science Strategy (HARRNESS), 2024-2034. Woods Hole Oceanographic Institution, 2024. http://dx.doi.org/10.1575/1912/69773.

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Harmful and toxic algal blooms (HABs) are a well-established and severe threat to human health, economies, and marine and freshwater ecosystems on all coasts of the United States and its inland waters. HABs can comprise microalgae, cyanobacteria, and macroalgae (seaweeds). Their impacts, intensity, and geographic range have increased over past decades due to both human-induced and natural changes. In this report, HABs refers to both marine algal and freshwater cyanobacterial events. This Harmful Algal Research and Response: A National Environmental Science Strategy (HARRNESS) 2024-2034 plan bu
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