BATHYAL ZONE by PqAu7QQz

VIEWS: 405 PAGES: 23

									The Bathyal zone
  Jessica Lozano
         &
 Amber Cyrankowski
                    Abiotic Features:
   Temperature                      39 degrees F
   Sunlight                                 none (midnight
                     Zone-no food
                     production.)
   Species             sponges, brachiopods,
                      sea stars, and echinoids. (hard
                      to find nutrients.)
   Fish                weak soft muscles, soft skin and slimy bodies.
   Plants                there are very few plants because of the lack of
                       sunlight. (need sunlight to produce their food)
   Continental slope        lies between 1000 and 4000 meters deep




Biotic Features:
                         Biotic Features:
Species-                     deep sea shark,
                            squid, viperfish, and
                     octopuses.

Fish-                        tripod fish, black sallower, angler fish, and giant squid.

Continental slope-




Continental slope- depth of roughly 140m

Temperature- 2-3 degrees C
                  Global Warming
   There are five major characteristics of the deep-sea organisms
    that connect to carbon dioxide ocean sequestration are pointed
    out.
   1.) Low biological activates
   2.) Long life span
   3.) High sensitivity to the environmental disturbance.
   4.) High species diversity
   5.) Low density
   These species are sensitive to the environmental disturbance, and
    when they are damaged or destroyed they extinct very easily and
    it may take them a while to recover.
               Global Warming
   Global warming is changing the temperature,
    and all the circulation is staying at the bottom of
    the ocean, so therefore no nutrients is coming
    up and all the fish are starving.
      Animals in the Bathyal Zone
   Cat shark- Fish with cartilaginous skeletons (a group
    that includes sharks, rays and skates, and chimaeras.)
   Sleeper sharks!- They mostly live in deep temperate
    waters, but migrate to Alaskan waters where they come
    up to the surface and eat salmon.
   Skates- These soft-nosed cartilaginous fish are
    inhabitants of the continental slopes. They rest in the
    bottom of the ocean and they swim with their wings.
     Animals in the Bathyal Zone
   Hagfish- Primitive fish lacking jaws. Their tough
    skin are harvested to make so-called “eelskin”
    bags and wallets!
   Lampreys- These are like salmon and are also
    Agnathans. They migrate into freshwater rivers
    to spawn.
Cat Shark
Sleeper sharks
Skates
Hagfish
Lampreys
Plants that live in the Bathyal Zone
   Some are sponges ,sea pens, sea
    anemone, and scallops are plants found in
    the Bathyal Zone.
   The Bathyal Zone is the deep part of the
    ocean where light does not penetrate
    sufficiently for normal plant growth.
     The Bathyal zone food chain
   The food chain describes the feeding
    relationships between species in a biotic
    community. In other words, they show the
    transfer of material and energy from one
    species to another within an ecosystem (unit
    consisting of a biotic community).
   Food chains and food webs reveal the
    balance, complexity, and harmony of the
    universe in the flow of nutrients and energy.
   If a major change in the food web occurs,
    such as the removal a top predator, the
    equilibrium is disrupted.
             •    FOOD CHAIN!!

   phytoplankton → copepod → fish → squid →
    seal → Orca
   This chain had been described as the following:
    killer whales, feed upon seals, that feed upon
    squid, that eat small fish, that feed on copepods,
    that feed on microscopic algae.
benthic animals.
      Animals in the Bathyal Zone
   Cat shark- Fish with cartilaginous skeletons (a group
    that includes sharks, rays and skates, and chimaeras.)
   Sleeper sharks!- They mostly live in deep temperate
    waters, but migrate to Alaskan waters where they come
    up to the surface and eat salmon.
   Skates- These soft-nosed cartilaginous fish are
    inhabitants of the continental slopes. They rest in the
    bottom of the ocean and they swim with their wings.
     Animals in the Bathyal Zone
   Hagfish- Primitive fish lacking jaws. Their tough
    skin are harvested to make so-called “eelskin”
    bags and wallets!
   Lampreys- These are like salmon and are also
    Agnathans. They migrate into freshwater rivers
    to spawn.
The bathyal
    zone
temperature!
        The average
  temperature is about
4 (39 F). Although larger
   by volume than the
    euphoric zone the
   bathyal zone is less
    densely populated.
        About the
         bathyal
   Sunlight does not reach this zone,
    meaning there can be no primary
    production . They called it the
    midnight zone because of this
    feature. Because of the lack of
    light, some species do not have
    eyes, but one of the species that
    does is the viperfish. Another is
    the frill shark .

								
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