Coral reefs 2 biotic factors

Gizmo Warm-up Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs.

Gizmo Warm-up Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs. 1. Introduction. The Kāne'ohe Bay ecosystem is located on the northeast coast of Oʻahu, Hawaiʻi (21°, 28′N; 157° 48′W) (Fig. 1), and consists of the watershed, the semi-enclosed embayment, and the near shore oceanic environment.Kāneʻohe Bay is the largest sheltered body of water in the main eight Hawaiian Islands with total surface area of 41.4 km 2 at mean surface levels (Jokiel, 1991).In coral reefs, sediments play a crucial role in element cycling by contributing to primary production and the remineralization of organic matter. We studied how future ocean acidification (OA) will affect biotic and abiotic processes in sediments from two coral reefs of the Great Barrier Reef, Australia. This was investigated in the laboratory under conditions where water-sediment exchange ...Name: Date: Student Exploration: Coral Reefs 2 - Biotic Factors Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 - Abiotic Factors lesson. We recommend doing that activity before trying this one.]In the Caribbean Sea, scientists found that coral reefs located near salt-water marshes have more fish than do reefs farther out at sea. As shown in ... Contrast What is the difference between biotic and abiotic factors? figure 2.1 The underwater roots of mangrove trees camouflage young coral-reef fish from preda-tors. > Unit 5: Ecology 13.2.SCIENCE 101 Student Exploration: Coral Reefs 2 - Biotic Factors with complete solution . Student Exploration: Coral Reefs 2 - Biotic Factors [This lesson was designed as a follow-up to the Coral Reefs 1 - Abiotic Factors lesson. Students should complete that activity before trying this on... By AplusSuccessor, Uploaded: Sep 18, 2021

Climate change also influences biotic interactions with negative consequences for coral: OA accelerated bioerosion of ... (150,000 km 2) study of coral reef communities on the Great Barrier Reef provided strong evidence that reducing local anthropogenic impacts might make coral reefs more resilient to a range of stressors, …Student Exploration: Coral Reefs 2 - Biotic Factors [This lesson was designed as a follow-up to the Coral Reefs 1 - Abiotic Factors lesson. Students should complete that activity before trying this one.] Vocabulary (refer to vocab file located on the Gizmo site for definitions): biotic factor, black band disease, invasive species, white band disease Prior Knowledge Questions (Do these ...Coral reef communities on the Island of Hawaii have been heavily affected by the construction of Kawaihae Harbor in the 1950s and by subsequent changes in land use in the adjacent watershed. Sedimentation and other forms of land-based pollution have led to declines in water quality and coral reef health over the past two decades (Tissot, 1998).a) it on occurs when resources are plentiful. b) it may lead to the adaptation of a population as a whole. c) it always harms the population as a whole. d) it rarely occurs in nature. b) it may lead to the adaptation of a population as a whole. Which is an example of competition between organisms for an abiotic factor?Enhanced Document Preview: Name: Javier Pena Date: 21/9/21a Student Exploration: Coral Reefs 2 - Biotic Factors [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 - Abiotic Factors lesson. We recommend doing that activity before trying this one. Vocabulary: biotic factor, black band disease, invasive …Details. Report. University: Virtual High School. Course: STEM | Chemistry. Academic year: 2022. Views: 12. Pages: 8. Author: anon. Description. Name: Kolton Cooley Date: 09-10 …

Biotic factors for a coral reef. Biotic factors of coral reefs are many species of fish, turtles, mollusks, sea snakes, sponges, and polyps. The plants are algae, anemones, sea grass, and sea lilies. Living things are the most important biotic factors in a coral reef. Plant. There are various types of plants found in coral reefs. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs. 1. On the CONDITIONS tab, select Fishing. Set Net fishing to 50%. Abiotic Factors. Light: Corals need a moderate amount of sunlight in order to survive. …. Depth: Reef building corals must live where there are moderate amounts of light. …. Water temperature: Remember that corals thrive in the warm waters of the tropics. …. Salinity: Salinity is usually measured in parts per thousand (ppt).There are common factors in folks with suicide ideation or attempts in their past. But there are also protective factors you can learn and hone. There are a number of factors that ...Within the ocean, coral reefs are a second kind of marine biome. Estuaries, coastal areas where salt water and fresh water mix, form a third unique marine biome. Ocean. ... Lakes and ponds are found in terrestrial landscapes and are, therefore, connected with abiotic and biotic factors influencing these terrestrial biomes.Examples of abiotic factors in the coral reef: wind, water, sunlight, wind, depth, nutrients, and temperature. In the coral reef the temperature ranges from 61 to 86 degrees fahrenheit. Extreme temperatures can be as high as 104 degrees fahrenheit (40 degrees celsius). Wind in the coral reef can range from 14 to 18 miles per hour.

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To resolve the relative contributions of biophysical factors on coral recruitment, the recovery of a 150 km long coral reefs in Palau was investigated after severe typhoon disturbances.an organism that obtains energy by feeding on organic materials. Start studying Coral Reefs (Biotic & Abiotic Factors). Learn vocabulary, terms, and more with flashcards, games, and other study tools.Coral reefs are among the most complex and fascinating marine ecosystems in the sea, and they include a wide range of symbiotic relationships. Coral reefs are sometimes known as the "rainforests of the sea." Nearly a quarter of all the fish in the sea rely on healthy coral reefs. Corals provide habitats for fish and other organisms in the ...Name: Date: Student Exploration: Coral Reefs 2 – Biotic Factors [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 – Abiotic Factors lesson. We recommend doing that activity before trying this one.] Vocabulary: biotic factor, black band disease, invasive species, white band disease Prior Knowledge Questions …2019 Name: Christopher Student Exploration: Coral Reefs 2 – Biotic Factors [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 – Abiotic Factors lesson. We recommend doing that activity before trying this one.] Vocabulary: biotic factor, black band disease, invasive species, white band disease …Mike T. Student Exploration: Coral Reefs 2 - Biotic Factors [This lesson was designed as a follow-up to the Coral Reefs 1 - Abiotic Factors lesson. Students should complete that activity before trying this one.] Vocabulary (refer to vocab file located on the Gizmo site for definitions): biotic factor, black band disease, i.

Mike T. Student Exploration: Coral Reefs 2 - Biotic Factors [This lesson was designed as a follow-up to the Coral Reefs 1 - Abiotic Factors lesson. Students should complete that activity before trying this one.] Vocabulary (refer to vocab file located on the Gizmo site for definitions): biotic factor, black band disease, i.Our coasts contain many types of ecosystems, including marshes, mangroves, permafrost bluffs, kelp forests, and sandy beaches. Each of these contain specific organisms that are affected by the processes and hazards of coastal change. USGS brings together expertise in biology, hydrology, ecology, landscape science, geospatial applications, and decision …Student Exploration: Coral Reefs 2 – Biotic Factors [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 – Abiotic Factors lesson. We recommend doing that activity before trying this one.] Vocabulary: biotic factor, black band disease, invasive species, white band disease ...We would like to show you a description here but the site won't allow us.Student Exploration: Coral Reefs 2 – Biotic Factors [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 – Abiotic Factors lesson. We recommend doing that activity before trying this one.] Vocabulary: biotic factor, black band disease, invasive species, white band disease.Coral Reefs 2 - Biotic Factors Gizmo Explore Learning. AP U.S. History 50% (2) 4. Rainfall and Bird Beaks Gizmo Explore Learning. AP Italian Language & Culture None. 5. Human Karyotyping Gizmo Explore Learning. AP English Literature & Composition None. Recommended for you. 16. Period four key concept framework filled in.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Part I: Launch the Coral Reefs 2 - Biotic Factors simulation. Play around with it for about 10 minutes to familiarize yourself with how it works. ... the lower the biodiversity.</p><p> </p><p>A lower pH value impacts the amount of calcium carbonate in coral reef water. Because coral skeletons are formed of calcium carbonate, this has an ...

B iotic Factors in the Coral Reef Ecosystem: Shrimp is an Example of A Detrivorous Decomposer in the Coral Reef (Credit: Roy L. Caldwell, Department of Integrative Biology, University of California, Berkeley 2004 or 2008 -(Exact date not ascertained)) Conclusion. Biotic factors in the coral reef are; 1. Coral Reef-Producers. 2.

Lion Fish. Study with Quizlet and memorize flashcards containing terms like What is NOT an example of an Ecosystem?, The Sonoran Desert is a unique ecosystem in Arizona and Mexico. What are the two main parts of this ecosystem?, What is a biotic factor in a coral reef ecosystem? and more.1. Allow students to explore the coral reef ecosystem at Cheeca Rocks Sanctuary Preservation Area (360 image) in Florida Keys National Marine Sanctuary. Ask them to think about the biotic and abiotic factors that are present and to consider what makes Cheeca Rocks a good place for corals to grow. 2. Distribute the Coral Reef Ecology WebquestThe management of human impacts on coral reefs in Southeast Asia is hampered by a shortage of site-specific, long-term information. At the center of coral biodiversity, the reefs in Taytay Bay in the northwestern Sulu Sea lost about a third of their coral cover during the 2010 thermal event. Annual recovery rates of coral cover averaged 2.8% over the following nine years, with considerable ...marine life. education. Coral reefs are some of the most diverse ecosystems in the world. Coral polyps, the animals primarily responsible for building reefs, can take many forms: large reef building colonies, graceful flowing fans, and even small, solitary organisms.Despite covering <0.1% of the oceans, warm-water coral reefs support the greatest biodiversity of marine organisms on Earth 1,2,3.These rich ecosystems are limited to tropical and subtropical ...Coral Reefs 2 - Biotic Factors How Free Gizmos Work. Start teaching with 20-40 Free Gizmos. See the full list. Access lesson materials for Free Gizmos including teacher guides, lesson plans, and more. All other Gizmos are limited to a 5 Minute Preview and can only be used ...In the Coral Reefs 2 - Biotic Factors lesson, you will explore how these factors affect coral reefs. 1. On the CONDITIONS tab, select Fishing . Set Net fishing to 50%.

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Gizmo Warm-up Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs.Sharks are considered the apex predator of coral reefs, but the consequences of their global depletion are uncertain. Here we explore the ecological roles of sharks on coral reefs and, conversely, the importance of reefs for sharks. We find that most reef-associated shark species do not act as apex predators but instead function as mesopredators along with a diverse group of reef fish. While ...Student Exploration: Coral Reefs 2 – Biotic Factors Directions: Go to RapidID, open Clever, then Gizmos, and open the Coral Reefs 2 - Biotic Factors Gizmo. Follow the instructions to go through the simulation. Respond to …The water clarity and the dissolved oxygen level were abiotic and coral coverage, and the fish were biotic. 2. Describe the symbiotic relationship between each of the organisms. Coral is a habitat for fish and if the coral isn't in good condition the water most likely isn't so the fish would decrease. 3.Coral reef fishes often exhibit specific or restricted depth distributions, but the factors (biotic or abiotic) that influence patterns of depth use are largely unknown. Given inherent biological gradients with depth (i.e. light, nutrients, habitat, temperature), it is expected that fishes may exploit certain depths within their environment to seek out more favourable conditions. This study ...The abundance and distribution of a species within a habitat are determined by a combination of biotic and abiotic factors; Biotic factors are living factors that influence populations within their community; biotic factors come about as a result of the activity of other organisms e.g. . Predation; Food availability; Intraspecific competition, arising when individuals of the same species ...Disrupting the ecosystem. Gizmo Warm-up Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs.Student Exploration: Coral Reefs 2 - Biotic Factors. Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 - Abiotic Factors lesson. We recommend doing that activity before trying ... ….

Both the living and the non living parts affects the ecosystem. The living parts are called the biotic factors while the nonliving parts are called the abiotic factors. Now, since the fishing rate is a biotic factor that affects the coral reefs, if the net fishing is set to 50%, in the next ten years, the populations of all the organisms will ...WIO coral reefs, covering 11,919 km 2 and comprising about 5% of the global total ... and biotic factors (criterion D) (Table 1). Criterion E was not evaluated as a quantitative model could not be ...In biology, abiotic factors can include water, light, radiation, temperature, humidity, atmosphere, acidity, and soil. Five major abiotic factors in coral reefs are water, temperature, sunlight, salt, and waves. All of these are parts of the coral reef ecosystem that are not alive but have.GIZMO CORAL REEFS 2- BIOTIC FACTORS | ALL ANSWERS CORRECT- GRADED A+ | UPDATED 2021 Document Content and Description Below. GIZMO CORAL REEFS 2- BIOTIC FACTORS | ALL ANSWERS CORRECT- GRADED A+ | UPDATED 2021... Last updated: 1 year ago. Preview 1 out of 8 pagesGet ratings and reviews for the top 11 lawn companies in Coral Hills, MD. Helping you find the best lawn companies for the job. Expert Advice On Improving Your Home All Projects Fe...biotic and abiotic factors. Which plants grow where highly depends on the amount of precipitation. Certain plants require more water and other plants can survive with less water. Different animals will survive on different plants and so animals will live near the plants they need, thus determining species distribution.Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 - Biotic Factors lesson, you will explore how these factors affect coral reefs. 1. On the CONDITIONS tab, select Fishing. Set Net fishing to 50%.It could cause another species to die off in the area Gizmo Warm-up: Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these ... Coral reefs 2 biotic factors, 5. Predict: One ecosystem that has been studied a great deal in recent years is a coral reef, an undersea ecosystem rich in marine animals living in or around tropical corals. Name one abiotic and one biotic factor present in …, Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other. biotic factors. , or living parts of the ecosystem. In the. Coral Reefs 2 – Biotic Factors. lesson, you will explore how these factors affect coral reefs. On the CONDITIONS., Jun 25, 2021 · Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs. 1. On the CONDITIONS tab, select Fishing. Set Net fishing to 50%. , The percentage of coral reef coverage in the Caribbean reefs. Why do you think corals have declined since 1977? Because people have been killing them. Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo provides a simplified model of interactions among 10 ..., INTRODUCTION. Geographic Distribution and Extent of Coral Reefs. Jamaica is the 3rdlargest Caribbean island, 230 km long by 80 km wide with 891 km of coastline and a coral reef area of 1,240 km2. Well developed fringing reefs occur along most of the north and east coasts, while patchy fringing reefs occur on the broader shelf of the south coast., Biotic Factors. Coral reefs create protection and a home for many animals and plants because of this coral reefs are a very diverse ecosystem. Coral reefs are a home to both chemoautotrophs and autotrophs capable of photosynthesis. Primary- The most abundant primary consumer is Zooplankton though the amount of Zooplankton can be 15-65% …, Our coasts contain many types of ecosystems, including marshes, mangroves, permafrost bluffs, kelp forests, and sandy beaches. Each of these contain specific organisms that are affected by the processes and hazards of coastal change. USGS brings together expertise in biology, hydrology, ecology, landscape science, geospatial applications, and decision …, A. Reef A will suffer greater damage than reef B. B. Reef B will suffer greater damage than reef A. C. Both reefs will suffer equal damage from the disease. D. Neither reef will be affected because black band disease affects only branching corals. B. D. Study with Quizlet and memorize flashcards containing terms like The red lionfish (shown ..., Student Exploration: Coral Reefs 2 - Biotic Factors. Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 - Abiotic Factors lesson. We recommend doing that activity before trying ..., Gizmo Warm-up Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 - Biotic Factors lesson, you will explore how these factors affect coral reefs. On the CONDITIONS tab, select ..., Gizmo Warm-up Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs. 1. On the CONDITIONS tab ..., Gizmo Warm-up Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs. 1. , Coral Reefs 2 - Biotic Factors Quizlet Vocabulary. biotic factors. Click the card to flip 👆. the living components that affect an ecosystem. Examples of biotic factors include disease-causing bacteria, invasive species, and humans. Abiotic factors are the nonliving components of an ecosystem. Examples include temperature, salinity, and pH., In biology, abiotic factors can include water, light, radiation, temperature, humidity, atmosphere, acidity, and soil. Five major abiotic factors in coral reefs are water, temperature, sunlight, salt, and waves. All of these are parts of the coral reef ecosystem that are not alive but have., May 27, 2023 · B iotic Factors in the Coral Reef Ecosystem: Shrimp is an Example of A Detrivorous Decomposer in the Coral Reef (Credit: Roy L. Caldwell, Department of Integrative Biology, University of California, Berkeley 2004 or 2008 -(Exact date not ascertained)) Conclusion. Biotic factors in the coral reef are; 1. Coral Reef-Producers. 2. , Five major abiotic factors in coral reefs are water, temperature, sunlight, salt, and waves. All of these are parts of the coral reef ecosystem that are not alive but have a major impact on the conditions of that ecosystem. All coral reefs are found in ocean waters, mainly in shallow, tropical areas., The management of human impacts on coral reefs in Southeast Asia is hampered by a shortage of site-specific, long-term information. At the center of coral biodiversity, the reefs in Taytay Bay in the northwestern Sulu Sea lost about a third of their coral cover during the 2010 thermal event. Annual recovery rates of coral cover averaged 2.8% over the following nine years, with considerable ..., 2019 Name: Loymiela Thomas Date: 2/14/23 Student Exploration: Coral Reefs 2 - Biotic Factors [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 - Abiotic Factors lesson. We recommend doing that activity before trying this one.] Vocabulary: biotic factor, black band disease, invasive species, …, We would like to show you a description here but the site won't allow us., Gizmo Warm-up Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs. , Types of Coral Reef Formations. Scientists generally agree on four different coral reef classifications: fringing reefs, barrier reefs, atolls, and patch reefs. Fringing reefs grow near the coastline around islands and continents. They are separated from the shore by narrow, shallow lagoons. Fringing reefs are the most common type of reef., Student Exploration: Coral Reefs 2 – Biotic Factors Activity A: Fishing regulation Get the Gizmo ready: Click Return to original settings and Restart. On the CONDITIONS tab, check that Fishing is selected. Introduction: Fishing is a major part of many Caribbean economies. The yellowtail snapper and Nassau grouper are important food fishes. . However, a lack …, Looking for a financial advisor in Coral Gables? We round up the top firms in the city, along with their fees, services, investment strategies and more. This review was produced by..., SCIENCE 101 Student Exploration: Coral Reefs 2 - Biotic Factors with complete solution . Student Exploration: Coral Reefs 2 - Biotic Factors [This lesson was designed as a follow-up to the Coral Reefs 1 - Abiotic Factors lesson. Students should complete that activity before trying this on... By AplusSuccessor, Uploaded: Sep 18, 2021, Biotic Factors. In the Great Barrier Reef there are countless biotic factors. Some of the main biotic factors include coral reefs as it's a main food source for many organisms, animals such as fish, crabs, turtles, starfish, the ones who are at the top of the list for predators include large fish, eels, and sharks. Plants and bacteria are also ..., Looking for the best study guides, study notes and summaries about coral reefs 2 gizmo- biotic factors? On this page you'll find 19 study documents about coral reefs 2 gizmo- biotic factors. Sell. Where do you study. Your language. The Netherlands. United Kingdom. Germany. Spain. France. Belgium. South Africa, View Abiotic_and_Biotic_factor.docx from BA 071 at IPS (Intellectual Prestigious Science Computer College). Name: Kiaan Zargaran Date: 9/9/22 Student Exploration: Coral Reefs 1 - Abiotic, Gizmo Warm-up Like terrestrial environments, coral reefs can be damaged by invasive species. Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs., Coral Reefs 2 Biotic Factors World Atlas of Coral Reefs Mark Spalding 2001 An up-to-date, detailed, and fully-illustrated account of the biodiversity and status of coral reefs. Biology Unit 2 for CAPE® Examinations Myda Ramesar 2011-09-22 Textbook provides complete coverage of the CAPE Biology Unit 2 syllabus. , 5. Predict: One ecosystem that has been studied a great deal in recent years is a coral reef, an undersea ecosystem rich in marine animals living in or around tropical corals. Name one abiotic and one biotic factor present in …, Student Exploration: Coral Reefs 2 – Biotic Factors Activity A: Fishing regulation Get the Gizmo ready: Click Return to original settings and Restart. On the CONDITIONS tab, check that Fishing is selected. Introduction: Fishing is a major part of many Caribbean economies. The yellowtail snapper and Nassau grouper are important food fishes. , Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs. On the CONDITIONS tab, select Fishing. Set Net fishing to 50%. Click Advance year 10 times., Abstract. Reefs formed by scleractinian cold-water corals represent unique biodiversity hot spots in the deep sea, preferring aphotic water depths of 200-1000 m. The distribution of the most prominent reef-building species Lophelia pertusa is controlled by various environmental factors including dissolved oxygen concentrations and temperature.