Mechanical Properties Of Sediment Determine Burrowing Success And Influence Distribution Of Two Lugworm Species, R. L. Crane, Rachel Merz

Biology Faculty Works

We apply new perspectives on how organisms burrow by examining the association of in situ variation in sediment mechanical properties with burrowing ability and species distribution of two sympatric lugworms, Abarenicola pacifica and Abarenicola claparedi. We quantified the sediment's resistance to penetration and its grain size distribution at sites inhabited by each species. Abarenicola pacifica individuals were found in significantly harder to penetrate, more heterogeneous sediments. We compared worm burrowing ability using reciprocal transplant experiments. Worms from firmer sediments, A. pacifica, were able to make successful steep burrows in sediments characteristic of either species. In contrast, A. claparedi individuals often …

Fishes Of The Northern Mid-Atlantic Ridge Collected During The Mar-Eco Cruise In June-July 2004: An Annotated Checklist, Filipe M. Porteiro, Tracey Sutton, Ingvar Byrkjedal, Alexy M. Orlov, Mikko Heino, Gui Menezes, Odd Aksel Bergstad

Marine & Environmental Sciences Faculty Reports

Records of the fishes from the northern Mid-Atlantic Ridge (MAR) (41⁰N - 60⁰N) sampled during two research cruises conducted in summer 2004 on the R/V G.O. Sars and M/S Loran are presented. The cruises were major sampling efforts carried out for the MAR-ECO project, i.e. the Census of Marine Life field project entitled “Patterns and Processes of the Ecosystems of the Northern Mid-Atlantic”. The investigation included sampling with several midwater nets, bottom trawl and longlines from surface waters to about 4000 m. The list comprises around 300 species of fishes from 82 families. Many records were new to the northern …

Shining A Light On Fish At Night: An Overview Of Fish And Fisheries In The Dark Of Night, And In Deep And Polar Seas, Neil Hammerschlag, Carl G. Meyer, Michael S. Grace, Steven T. Kessel, Tracey Sutton, Euan S. Harvey, Claire B. Paris-Limouzy, David W. Kerstetter, Steven J. Cooke

Marine & Environmental Sciences Faculty Articles

In aquatic environments, what one observes during the day can differ substantially by night. The species composition and associated ecological processes that occur during the day are often different than night. In polar seas and at great depths, “night” can span, months, years, and beyond. Teleosts and elasmobranchs have evolved unique sensory and behavioral modalities for living in darkness. As a consequence, fishers have adopted unique strategies for exploiting fish at night or in dark systems. We propose that neglecting the night has led to an incomplete understanding of aquatic organismal ecology, population/community dynamics, and ecosystem function with consequences for …

Using Logbook Data To Determine The Immediate Mortality Of Blue Sharks (Prionace Glauca) And Tiger Sharks (Galeocerdo Cuvier) Caught In The Commercial U.S. Pelagic Longline Fishery, Derek R. Dapp, Charlie Huveneers, Terence I. Walker, John Mandelman, David Kerstetter, Richard D. Reina

Marine & Environmental Sciences Faculty Articles

Commercial fisheries are recognized as one of the greatest threats to shark populations worldwide, but factors affecting the likelihood of shark mortality during fishery capture are poorly understood. We used the U.S. pelagic fishery logbook data from 1992 through 2008 to quantify the effects of several variables (fisheries regulatory periods, geographic zone, target catch, and sea surface temperature) on mortality of blue sharks (Prionace glauca) and tiger sharks (Galeocerdo cuvier). Mortality rates and trends in both species closely matched those recorded from other sources, and therefore indicated that the data on sharks discarded dead and discarded …

Caecidae (Mollusca: Gastropoda) In Broward County, Florida, Andres S. Lester-Coll

HCNSO Student Theses and Dissertations

Caecidae is a widespread family of minute gastropod snails. Although a few species have previously been found in abundance in a few localized studies in Broward County waters, little is known about their richness, diversity, abundance and distribution in different habitats throughout local waters. This project examined species assemblages both qualitatively and quantitatively in a range of benthic habitats across Broward County. Samples were collected from five different habitat types from northern and southern Broward Country, and included two of each of the following five sites: mangrove, Intracoastal Waterway, creek, reef and rubble. Caecid specimens were removed from general samples, …

The Biological Stress Response In Bluegill Sunfish (Lepomis Macrochirus) To Variations In Environmental Temperature And Dissolved Oxygen Content., Monique Kellman

Honors College Theses

With the predicted increase in global water temperature and acute hypoxic episodes, knowledge of the effects these stressors can have on local aquatic life is extremely valuable. This study thereby quantified the change in metabolic rate in Bluegill sunfish, in response to increased temperature and low dissolved oxygen concentration, by utilizing intermittent flow respirometry. Both maximum metabolic rate (MMR) and resting metabolic rate (RMR) were determined in response to variations in dissolved oxygen content, specifically > 95% O₂ and 40% O₂. Additionally, three temperature treatment groups were established, with temperatures of 20, 25 and 30°C in order to …

A Transdisciplinary Approach To The Initial Validation Of A Single Cell Protein As An Alternative Protein Source For Use In Aquafeeds, Michael Tlusty, Andrew L. Rhyne, Joseph T. Szczebak, Bradford D. Bourque, Jennifer L. Bowen, Gary Burr, Christopher J. Marx, Lawrence Feinberg

Arts & Sciences Faculty Publications

The human population is growing and, globally, we must meet the challenge of increased protein needs required to feed this population. Single cell proteins (SCP), when coupled to aquaculture production, offer a means to ensure future protein needs can be met without direct competition with food for people. To demonstrate a given type of SCP has potential as a protein source for use in aquaculture feed, a number of steps need to be validated including demonstrating that the SCP is accepted by the species in question, leads to equivalent survival and growth, does not result in illness or other maladies, …

Language Learning Under Classroom Conditions During The Transition To Hybrid Instruction: A Case-Study Of Student Performance During The Implementation Of Instructional Technology, Lisbeth O. Swain, Timothy D. Swain

Marine & Environmental Sciences Faculty Articles

We examined the unmanipulated performance of students under real classroom conditions in order to assess the effect of a technology-enhanced hybrid learning approach to second language, (L2) instruction on beginning and advanced Spanish language learners. This research focused on the transition period of technology implementation when the entire section of Spanish of a modern language department of a liberal arts university transitioned from traditional face-to-face instruction, to a technology-enhanced hybrid learning approach with concurrent reduction in face-to-face classroom hours. This implementation provided an opportunity to compare the performance of students prior to and during the transition to hybrid model of …

Road Salt Impact On A Stream-Dwelling Salamander, Eurycea Bislineata : A Low Threshold For Behavioral And Physiological Effects, Kelly Ann Krolik

Theses, Dissertations and Culminating Projects

Road salt runoff into aquatic habitats is a major ecological issue for amphibian species due to potential toxic effects from chemicals such as hydrocarbons, de-icing agents and salts. Road salt runoff can affect different aspects of amphibian biology, such as osmotic balance, growth, reproduction, behavior, and survival. This study investigated the behavioral and physiological salinity tolerance of adult two-lined salamanders, Eurycea bislineata. Two-lined salamanders are found in small streams and rivulets and may be exposed directly to salt runoff. In laboratory behavior trials, E. bislineata showed strong aversion to increasing salinity concentrations. They spent less time in higher NaCl concentrations …

Climate Science Special Report: Fourth National Climate Assessment (Nca4), Volume I

National Oceanographic and Atmospheric Administration: Technical Reports and Related Materials

This report is an authoritative assessment of the science of climate change, with a focus on the United States. It represents the first of two volumes of the Fourth National Climate Assessment, mandated by the Global Change Research Act of 1990.

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Coordinating Lead Authors

• Donald J. Wuebbles National Science Foundation and U.S. Global Change Research Program – University of Illinois
• David W. Fahey NOAA Earth System Research Lab
• Kathy A. Hibbard NASA Headquarters

Lead Authors …

Reproductive Strategy Of The Giant Electric Ray In The Southern Gulf Of California, María I. Burgos-Vázquez, Paola A. Mejía-Falla, Victor H. Cruz-Escalona, Nancy Brown-Peterson

Faculty Publications

The objective of the present study was to describe and characterize macroscopic and microscopic aspects of the reproductive biology of the Giant Electric Ray Narcine entemedor, a viviparous elasmobranch targeted by commercial fishers in Mexico. A total of 305 individual rays were captured (260 females, 45 males); all males were sexually mature. The median size at maturity for females was estimated to be 58.5 cm TL, the median size at pregnancy was 63.7 cm TL, and the median size at maternity was 66.2 cm TL. The range of ovarian follicles recorded per female was 1–69; the maximum ovarian fecundity of …

Marine Mammal Tracks From Two-Hydrophone Acoustic Recordings Made With A Glider, Elizabeth T. Küsel, Tessa Munoz, Martin Siderius, David K. Mellinger, Sara L. Heimlich

Electrical and Computer Engineering Faculty Publications and Presentations

A multinational oceanographic and acoustic sea experiment was carried out in the summer of 2014 off the western coast of the island of Sardinia, Mediterranean Sea. During this experiment, an underwater glider fitted with two hydrophones was evaluated as a potential tool for marine mammal population density estimation studies. An acoustic recording system was also tested, comprising an inexpensive, off-the-shelf digital recorder installed inside the glider. Detection and classification of sounds produced by whales and dolphins, and sometimes tracking and localization, are inherent components of population density estimation from passive acoustics recordings. In this work we discuss the equipment used …

Informing Marine Protected Area Designation And Management For Nesting Olive Ridley Sea Turtles Using Satellite Tracking, Tiffany M. Dawson, Angela Formia, Pierre D. Agamboué, Georges M. Asseko, François Boussamba, Floriane Cardiec, Emmanuel Chartrain, Philip D. Doherty, J. Michael Fay, Brendan J. Godley, Francis Lambert, Brice D. Koumba Mabert, Jean C. Manfoumbi, Kristian Metcalfe, Gianna Minton, Ivan Ndanga, Jacob Nzegoue, Carmen K. Kouerey Oliwina, Philippe Du Plessis, Guy-Philippe Sounguet, Dominic Tilley, Matthew J. Witt, Sara M. Maxwell

Biological Sciences Faculty Publications

Understanding the horizontal and vertical habitat of olive ridley sea turtles (Lepidochelys olivacea), a threatened species, is critical for determining regions for protection and relevant gear modifications that may effectively reduce bycatch, the largest threat to this species. Satellite transmitters were used to determine the movement and dive behavior of 21 female olive ridley turtles tagged in Pongara National Park, Gabon during the 2012, 2013, and 2015 nesting seasons. A switching state-space model was used to filter the tracking data and categorize the internesting and post-nesting movements. Gridded utilization distribution (UD) home range analysis of tracking data revealed …

Continued Spread Of The Seagrass Halophila Stipulacea In The Caribbean: Documentation In Puerto Rico And The British Virgin Islands, Hector Ruiz, David L. Ballantine, Jorge Sabater

Gulf and Caribbean Research

The geographical spread of Halophila stipulacea in the Caribbean since its first documentation in Grenada in 2001 has been impressive, as it has since been reported from most of the Caribbean. We now document its presence in the northern Caribbean at Culebra Island and in the Atlantic at a site between Humacao and Vieques Island, Puerto Rico. We further report the seagrass from Road Harbour, Tortola, British Virgin Islands. Spread of the invasive seagrass Halophila stipulacea is probably largely driven by Caribbean current patterns from its likely point of introduction in the southeast of the Caribbean basin. Continued spread into …

Luminescent Syllid (Odontosyllis Sp.) Courtship Display Densities Vary Across Marine Habitats Around South Water Caye, Belize, Mitchel Mccloskey, Joshua Scheil, Gregory J. Sandland, Gretchen A. Gerrish

Gulf and Caribbean Research

Bright—green luminescent clouds frequently occur at the surface of shallow waters of the Caribbean Sea. These clouds are produced by syllid polychaetes during courtship. Although temporal variation in the occurrence of these courtship displays has been documented throughout the diurnal and lunar cycle, other factors such as habitat type have not been well studied. In this study, we investigated how syllid courtship—display densities varied across 3 substrate types (grassbed, rubble and coral) over a 3 day period. In line with previous studies, we found that syllid courtship displays occurred over seagrass and rubble substrates; however, we also found that display …

Growth And Spawning Dynamics Of Southern Flounder In The North-Central Gulf Of Mexico, Morgan M. Corey, Robert T. Leaf, Nancy Brown-Peterson, Mark S. Peterson, Samuel D. Clardy, David Dippold

Faculty Publications

Southern Flounder Paralichthys lethostigma is the most commonly harvested flatfish in the north-central Gulf of Mexico (GOM), yet knowledge of this species’ growth and reproduction is limited for the Mississippi region. Given the offshore spawning migrations and likely mixing between state-managed units of the GOM Southern Flounder stock, small-scale environmental influences may constitute a major driver of life history dynamics during early life residency in nearshore estuaries. Therefore, estimates of local demographic characteristics are needed for effective fishery management. Here, we describe critical life history traits of Southern Flounder, including estimation of growth rates and maturity. The three-parameter von Bertalanffy …

Loop Current Spin-Off Eddies, Slope Currents And Dispersal Of Reef Fish Larvae From The Flower Gardens National Marine Sanctuary And The Florida Middle Grounds, Donald R. Johnson, Harriet Perry, Guillermo Sanchez-Rubio, Mark A. Grace

Gulf and Caribbean Research

Large energetic spin—off eddies from Loop Current intrusions into the Gulf of Mexico play a major role in water exchange between the continental shelf and the deep basin in the northern Gulf. Reef fish larvae, spawned on the outer shelf and planktonic during their early life history, are broadly dispersed by this mechanism, but may be lost to the cohort by transport away from suitable settlement habitat. In this study, satellite altimeter data—assimilative ocean model currents (HYCOM) from 2003—2015 are used to calculate kinetic energy of the mixed layer over the upper continental slope (200 m —1000 m) due to …

River Report. State Of The Lower St. Johns River Basin, Florida: Water Quality, Fisheries, Aquatic Life, Contaminants, 2017, Environmental Protection Board, City Of Jacksonville, University Of North Florida, Jacksonville University, Gerry Pinto, Nisse Goldberg, Radha Pyati, Anthony Ouellette, Gretchen Bielmyer-Fraser, An-Phong Le, Brian P. Zoellner, Peter Bacopoulos

State of the River Report

No abstract provided.

Population Characteristics And Trophic Interactions Between Pacific Mole Crabs And Redtail Surfperch On Northern California Sandy Beaches, Michelle Lynn Succow

Cal Poly Humboldt theses and projects

A network of marine protected areas (MPAs) was established to protect northern California coastal habitats in December 2012. Populations of two indicator species, Amphistichus rhodoterus (redtail surfperch) and Emerita analoga (pacific mole crabs) were characterized within MPAs and reference sites to provide baseline ecological information for this region. Data were gathered using a series of simple field surveys (hook and line fishing surveys for A. rhodoterus along with core and transect surveys for E. analoga). Relative abundance, lengths, and sex ratios of A. rhodoterus did not differ between MPAs and their respective reference sites, whereas condition (overall health) increased …

Acanthurus Albimento, A New Species Of Surgeonfish (Acanthuriformes: Acanthuridae) From Northeastern Luzon, Philippines, With Comments On Zoogeography, Kent E. Carpenter, Jeffrey T. Williams, Mudjekeewis D. Santos

Biological Sciences Faculty Publications

Acanthurus albimento is described as a new surgeonfish from northeastern Luzon from six specimens collected during extensive fish-market surveys in the Philippines. The new species is characterized by a distinctive white band below the lower jaw; many irregular, wavy, thin, blue lines on the head; a brown-orange pectoral fin with a bluish tinge on the outer membrane of the rays and a dark band on the posterior margin; a narrow rust-orange stripe along the base of the dorsal fin; and a large blackish caudal spine and sheath with the socket broadly edged in black. An analysis using the mitochondrial cytochrome …

Air- Sea Interactions And Ocean Dynamics In The Southwest Tropical Indian Ocean, Jessica Maureen Burns

Theses and Dissertations

The Southwest Tropical Indian Ocean (SWTIO) features a unique, seasonal upward lift of the thermocline, which is known as the Seychelles-Chagos Thermocline Ridge (SCTR; 55°E-65°E, 5°S-12°S). It is known that a high correlation exists between the depth of the thermocline and sea surface temperature (SST; a key ingredient for tropical cyclogenesis). With a particular focus on 2012/2013, this study reveals the dynamic properties of the SCTR that play an important role in the modulation of tropical cyclones in the SWTIO. Phenomena including Indian Ocean Dipole (IOD) and El Niño Southern Oscillation (ENSO) are also well correlated to cyclogenesis through changes …

The Influence Of Phytoplankton Size And Community Composition On Carbon Cycling And Planktonic Food Webs In The Sargasso Sea, Bridget Elise Cotti-Rausch

Theses and Dissertations

The Sargasso Sea is a dynamic physical environment located in the western North Atlantic where strong seasonal variability combines with forcing by mesoscale (~100 km) eddies. These drivers determine nutrient, light, and temperature regimes, and ultimate the size, composition and productivity of the phytoplankton community. My general objective was to determine how the structure and function of planktonic communities affected carbon export from the surface ocean in the Sargasso Sea. On four cruises (2011 and 2012; one eddy per cruise), I investigated links between water column structure, plankton community composition, size, and primary production (PP). I then combined PP data …

Molecular Exploration Of Bioavailable Dissolved Organic Matter Across Aquatic Ecosystems, Yuan Shen

Theses and Dissertations

Dissolved organic matter (DOM) in aquatic ecosystems is a large reservoir of reduced carbon that is mostly resistant to degradation. A small fraction of DOM cycles relatively quickly and is biologically utilized on timescales of days to months. This bioavailable DOM (BDOM) supports aquatic food webs, drives major elemental cycles, and is coupled to atmospheric CO2. Despite wide-ranging importance, bioavailability of DOM and its linkages to ecosystem properties (e.g., primary production, nutrients) are poorly characterized, particularly at the ecosystem level. Bioassay experiments are commonly used to determine BDOM, but this approach alters conditions and has limited spatial and temporal coverage. …

Survey Gear Comparisons And Shark Nursery Habitat Use In Southeast Georgia Estuaries, Jeffrey Cohen Carpenter

UNF Graduate Theses and Dissertations

Gill nets and longlines were compared as shark nursery sampling methodologies in inshore waters of Georgia to (1) assess differences in gear selectivity, bias, and stress of capture and (2) determine potential relationships between habitat features and shark distribution and abundance. Gear selectivity varied between gears as a function of both species and life stage resulting in significantly different estimates of species and life stage compositions. Juvenile bonnetheads (Sphyrna tiburo) and young of the year blacktip sharks (Carcharhinus limbatus) experienced significantly higher stress from gill net capture than longline. Major sources of bias are thought to …

Pelagic Fish Diversity And Density On And Off Restored Oyster Reef Habitat, Danielle Mcculloch

Theses and Dissertations

The heterogeneity provided by structured habitats is important in supporting diverse and dense fish communities. The biogenic reefs created by the native Eastern Oyster, Crassostrea virginica, were once the dominant structural habitat in Chesapeake Bay, and have since declined to less than 1% of historic estimates. Conflicting results on the effects of oyster reef restoration on pelagic fish assemblages make further investigation necessary. Incorporating multiple sampling strategies may help elucidate oyster reef habitat influence on fish assemblages. This study used multi-panel gillnets, hydroacoustic technology, and day-night sampling to describe pelagic fish assemblages on and off oyster reef habitat in the …

Wind Driven Shelf Circulation: Effects Of Shoreline Orientation, Bathymetry, And Surface Cooling, Xiaodong Wu

Theses and Dissertations

The dynamic region extending from the inner- to outer-shelf is the nearshore region where an accurate understanding of the development of cross-shore flows is important as they control the exchange of constituents (e.g., pollutants, larvae, heat and biota) between the coastline and the open ocean. These flows are driven by a variety of forces, including wind and buoyancy. The wind forcing relevant to shelf circulation broadly falls within the synoptic scale of storm events, consisting of frontal systems (cold and warm fronts) and tropical storms. The buoyancy on the shelf is characterized by a vertical stratification or a pronounced cross-shore …

Development Of A Sandwich Hybridization Assay For The Harmful Cyanobacteria Microcystis Spp., Nicole M. Dearth

Theses and Dissertations

Cyanobacteria are responsible for the largest number of harmful blooms (HABs) worldwide. HABs caused by the genus Microcystis pose public health threats because they often occur within close proximity to humans and produce microcystin (hepatotoxin), which can contaminate drinking water and recreational areas. Novel molecular techniques facilitate monitoring, ‘early warnings’ of HAB events, and appropriate management responses. Sandwich hybridization assay (SHA), the technique considered here, directly (no amplification) identifies and quantifies planktonic species using ribosomal RNA (rRNA)-targeted oligonucleotides. This project developed SHA for Microcystis 16S rRNA and validated the assay using laboratory cultures and samples from a multi-specific cyanobacteria bloom …

Marine Phosphorus Biogeochemistry Ecological Insights From Analytical Chemistry, Douglas W. Bell

Theses and Dissertations

The supply of phosphorus (P) directly impacts the growth and speciation of marine microbes (i.e., phytoplankton, bacteria, Archaea). In turn, microbial communities shape the magnitude and rate of marine biogeochemical cycles, ultimately affecting global climate and food production. This dynamic reflects the continuum of temporal and spatial scales at which the marine P cycle operates. However, linking multiple scales of cycling remains a consistent challenge. The primary objective of my dissertation was to gain insight into marine P biogeochemistry, by means of analytical chemistry, at the molecular and environmental scales of cycling. The first component of my research was to …

Online Dictionary Of Invertebrate Zoology: Complete Work, Mary Ann Basinger Maggenti, Armand R. Maggenti, Scott L. Gardner (Editor)

Armand R. Maggenti Online Dictionary of Invertebrate Zoology

An exhaustive dictionary of over 13,000 terms relating to invertebrate zoology, including etymologies, word derivations and taxonomic classification. Entries cover parasitology, nematology, marine invertebrates, insects, anatomy, biology, and reproductive processes for the following phyla: Acanthocephala, Annelida, Arthropoda, Brachiopoda, Bryozoa, Chaetognatha, Cnidaria, Ctenophora, Echinodermata, Echiura, Entoprocta, Gastrotricha, Gnathostomulida, Kinorhyncha, Loricifera, Mesozoa, Mollusca, Nematoda, Nematomorpha, Nemertea, Onychophora, Pentastoma, Phoronida, Placozoa, Platyhelminthes, Pogonophora, Porifera, Priapula, Rotifera, Sipuncula, and Tardigrada.

เทคนิคการขยายพันธุ์ปะการังอ่อน Sinularia Sp. และ Sarcophyton Sp. ในภาวะเพาะฟัก, เบญจวรรณ สีหะรัญ

Chulalongkorn University Theses and Dissertations (Chula ETD)

ปะการังอ่อน (soft coral) จัดอยู่ในอันดับ Alcyonacea เป็นสิ่งมีชีวิตในทะเลที่มีความสำคัญต่อระบบนิเวศแนวปะการัง พบกระจายทั่วไปในน่านน้ำอินโดแปซิฟิก อีกทั้งปะการังอ่อนสามารถนำมาผลิตเป็นยา และเป็นส่วนผสมของผลิตภัณฑ์เสริมความงามต่างๆ ตลอดจนมีการซื้อขายเพื่อการเลี้ยงในตู้ปลาสวยงาม การเพิ่มขึ้นของความต้องการที่กล่าวมานั้นส่งผลทำให้ปะการังอ่อนถูกเก็บเกี่ยวไปเป็นจำนวนมาก ดังนั้นการเพาะเลี้ยงปะการังอ่อนจึงเป็นวิธีการที่สามารถตอบสนองความต้องการใช้ปะการังอ่อนแทนการเก็บจากธรรมชาติ จึงทำการศึกษาการขยายพันธุ์ของกล้าปะการังอ่อน Sinularia sp. และ Sarcophyton sp. ภายใต้ระบบน้ำทะเลไหลผ่านตลอด โดยใช้วิธีการขยายพันธุ์ที่แตกต่างกัน เพื่อทราบถึงการสร้างเนื้อเยื่อยึดติดกับวัสดุเทียมของกล้าปะการังอ่อน โดยทำการอนุบาลเป็นเวลา 70 วัน ผลการศึกษาพบว่า กล้าปะการังอ่อน Sinularia sp. และ Sarcophyton sp. โดยวิธีการเสียบติดกับวัสดุเทียมเป็นวิธีการที่เหมาะสมในการยึดติดกับวัสดุเทียมที่รวดเร็วที่สุด 6-13 วัน และ 5-8 วัน ตามลำดับ โดยมีอัตราการรอดสูงสุดร้อยละ 83.33 และ 90 .00 ตามลำดับ หลังจากนั้นจึงนำผลการศึกษาวิธีการยึดติดกล้าปะการังอ่อนที่ดีที่สุด มาทำการศึกษาใหม่ในระบบเลี้ยง 3 ระบบ เป็นเวลา 6 เดือน พบว่าอัตราการเติบโตของกล้าปะการังอ่อน Sinularia sp. ในระบบน้ำทะเลไหลผ่านตลอดมีอัตราการเติบโตสูงสุด (0.68±0.04 เซนติเมตรต่อเดือน) โดยมีอัตราการรอดสุดท้ายในระบบน้ำทะเลหมุนเวียนแบบกึ่งปิดร้อยละ 88.67 และระบบน้ำทะเลไหลผ่านตลอดร้อยละ 87.33 สำหรับกล้าปะการังอ่อน Sarcophyton sp. พบว่ามีอัตราการเติบโตสูงสุดในระบบน้ำนิ่ง (0.94±0.04 เซนติเมตรต่อเดือน) และอัตราการรอดสุดท้ายของกล้าปะการังอ่อน Sarcophyton sp. ในระบบน้ำนิ่ง และระบบน้ำไหลผ่านตลอดร้อยละ 94.67