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spined    
a. 有背骨的,有脊柱的,有刺的

有背骨的,有脊柱的,有刺的

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  • What is a red tide? - NOAAs National Ocean Service
    A red tide is one type of harmful algal bloom Blooms occur when colonies of algae--simple ocean plants that live in the sea--grow out of control while producing toxic or harmful effects on people, fish, shellfish, marine mammals and birds
  • Red Tide Current Status | FWC - Florida Fish and Wildlife Conservation . . .
    Latest Red Tide Status Report Available by Phone Call 866-300-9399 at any time from anywhere to hear a recording about red tide conditions throughout the state Standard calling charges apply Reports are updated on Friday afternoon except during holidays, in which case the report will be released on the closest day
  • Harmful algal bloom - Wikipedia
    A harmful algal bloom (HAB), or excessive algae growth, sometimes called a red tide in marine environments, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means
  • What is Red Tide? A Clear Explanation of this Harmful Algal Bloom
    Red tide is a natural phenomenon that occurs when there is a sudden increase in the number of algae in the ocean, which can lead to harmful effects on marine life and humans The term “red tide” is used to describe the discoloration of the water caused by the high concentration of algae
  • Red Tides in California - California Sea Grant
    Red tides occur all over the world—from tropical regions to Alaska In California the most frequent observations of red tides occur between Santa Barbara and San Diego When do red tides occur? The majority of red tides in California occur between early spring (February, March) and late summer (August, September) How long does a red tide last?
  • Red Tide: What is the algae species Karenia brevis? - Smithsonian Ocean
    These tiny algae are essential components to ocean life as they fuel the food web by harnessing light energy from the sun But when supplied with excess nutrients, they can multiply uncontrollably, becoming an unwanted mass commonly called a “red tide” that smothers nearby ocean life
  • Red tide | Algal Blooms, Harmful Effects Ecology | Britannica
    red tide, discoloration of sea water usually caused by dinoflagellates, during periodic blooms (or population increases) Toxic substances released by these organisms into the water may be lethal to fish and other marine life Red tides occur worldwide in warm seas
  • Red tides and algal blooms, facts and information - National Geographic
    Red tides are a type of harmful algal bloom, and they occur worldwide There are over 300 species of red tide, and within the United States, these blooms appear in three main coastal areas,
  • Red Tide Information Guide: Signs, Symptoms Risks - American Oceans
    Red tide is a phenomenon that causes the surface of the sea to become discolored in, as the name suggests, a red color This phenomenon is caused by algal blooms which occur along coastal regions, making these tides a lot more noticeable
  • Is Red Tide Harmful to Humans? What to Know - Healthline
    Learn what causes a red tide, how it impacts the environment, and what you can do to reduce your exposure to its toxins





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