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Tide Pools Picture Windows into the Sea

Tide Pools Picture Windows into the Sea. What is a tide pool?. Rocky areas on the edge of the ocean that are filled with salt water. Where are tide pools ?. Tidepools can be found on any rocky coast where the rocks create basins that fill with water as the tides rise and fall. Like here.

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Tide Pools Picture Windows into the Sea

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  1. Tide Pools Picture Windows into the Sea

  2. What is a tide pool? Rocky areas on the edge of the ocean that are filled with salt water

  3. Where are tide pools? Tidepools can be found on any rocky coast where the rocks create basins that fill with water as the tides rise and fall

  4. Like here

  5. What causes tides? Tides are the cyclic rising and falling of water on the surface of the earth GRAVITY

  6. THE MOON THE SUN Tides are caused by the gravitational force of large masses and their relation to the earth AND

  7. TIDES SPRING TIDES These are considered extreme tides and happen when the sun, earth and moon are all aligned. The sun and the moon are pulling in opposite directions This means that high water levels are even higher and low levels are even lower

  8. TIDES NEAP TIDES When the sun and moon are at right angles, or 90 degrees, the gravity from the sun and moon cancel each other out This results in small changes in tides

  9. DID YOU KNOW… The Bay of Fundy, off the Gulf of Maine, near Canada is said to have the largest change in tide in the world

  10. DID YOU KNOW… The difference between high tide and low tide is between 6 and 14 meters or 18-42feet

  11. TIDES in BOSTON HARBOR But that is enough to create incredible tide pools that are full of cool organisms that are well adapted to living in a changing environment Around here the tides vary every six hours by about 10 feet High Tide LOW TIDE

  12. Three Basic Laws of Tide Pool Survival Keep from being washed away by the waves at high tide Keep from drying out by the sun at low tide Keep from being eaten

  13. TIDE POOL APARTMENTS Life in a tide pool depends on where each organism lives and where they are located within the intertidal zone THE INTERTIDAL WHAT???? The intertidal region is the area between the highest and lowest tide. Each zone is like an apartment with its own specialized creatures that have adapted to living in that certain area This can be broken down into four zones: • Splash Zone • Upper Intertidal Zone • Middle Intertidal Zone • Lower Intertidal Zone

  14. TIDE POOL APARTMENTS SPLASH ZONE The top floor is called the splash zone because it is only moistened by the spray from water at high tide HIGH INTERTIDAL The high intertidal zone is only submerged (underwater) at high tide so it is exposed to the sun for long periods of time. The mid intertidal zone is only exposed during the lowest tide. This area is wet most of the time. MID INTERTIDAL The bottom floor or low intertidal zone is wet all of the time even at low tide. LOW INTERTIDAL

  15. ZONATION • Factors affecting where an organism will live: • Competition for food and space • Predation (being eaten by other organisms) • Environmental factors like wave action and exposure to the sun

  16. YOUR MISSION: IF YOU CHOOSE TO ACCEPT IT HELP THE BOSTON HARBOR ISLANDS NATIONAL PARK STUDY AND PROTECT OUR MAGNIFICIENT TIDE POOL RESOURCES

  17. BY BECOMING … CITIZEN SCIENTISTS MAD, NO

  18. HUMAN IMPACT ON TIDEPOOLS Even with all of these survival tactics, tide pool organisms are threatened by human impact through oil spills, boat collisions, erosion, oral depletion, and human footprints WHAT CAN YOU DO TO HELP • Be careful not to step on any plants or animals • Always put rocks back in their place after you move them • Never remove plants or animals that are attached to anything • Return all animals exactly where you found them • Always explore with an adult

  19. WHAT AM I LOOKING AT?

  20. European Green Crab This crab most likely arrived here traveling in the water from large ships coming from Europe in the 1840’s. Female green crabs can lay up to 185,000 at a time and these babies eat the same food as the native crabs (up to 40 small clams a day) and are eating their entire food source earning them a spot on the “100 worst invasive species” list.

  21. WHAT AM I LOOKING AT?

  22. Blue Mussel Mussels are surface dwelling organisms that are capable of living in and out of the water. They attach themselves to rocks and sea walls by small threads that keep them in place and allow them to live in wavy sea conditions. Mussels filter nutrients from the water to get their energy and in turn are often a tasty treat for human seafood lovers.

  23. WHAT AM I LOOKING AT?

  24. Asian Shore Crab This crab is easily identifiable by three spines on either side of their eyes as well as their banded or spotted legs. They were first seen in New Jersey in 1988 but they were originally from Asia making them an invasive species to the Atlantic Coast. They are a threat to the biodiversity of the tide pool because they eat young blue mussels, green crabs, periwinkles, and barnacles.

  25. WHAT AM I LOOKING AT?

  26. If you have brushed your teeth or eaten ice cream, you are familiar with this seaweed. Irish moss is used as a thickening agent in many of the foods we eat. It can be anywhere from light green to dark purple in color. Irish Moss

  27. WHAT AM I LOOKING AT?

  28. Periwinkle Periwinkles can be found by the hundreds in the rocky New England coast. Periwinkles eat the algae off of rocks and it is said that they are even able to erode rocks after a long while. It seems that these organisms enjoy vibrations because if you hum to them, they may just dance for you.

  29. Sea Star Sea stars generally have five arms although some varieties can have up to ten. These organisms have small eyes that allow them sense light and then have hundreds of small tube feet to help them move towards food. They eat with their stomach outside of their body.

  30. WHOA!!!!! Starfish eating a mussel

  31. WHAT AM I LOOKING AT?

  32. Rock Crab This crab is native to the Atlantic Coast and can grow up 40mm across. This crab is usually red and has up to nine spines on either side of its eyes. Females can lay up to 26,000 eggs at a time, that’s a lot less than the green crab and one of the main reasons why they are disappearing at an alarming rate.

  33. WHAT AM I LOOKING AT?

  34. Rockweed Rockweed is well adapted to surviving the changing tides. It is commonly found along rocky shores attached to large pilings and rocks. The small bladders on this seaweed allow it to float during high tides in order to carry out photosynthesis.

  35. WHAT AM I LOOKING AT?

  36. Green Sea Urchin Believe it or not, sea urchins have a mouth with five sharp teeth that they use to scrap algae off of rocks. When alive, they have long spines on their shell to help protect them from predators. When a sea urchin dies, it spines fall off leaving behind its shell.

  37. WHAT AM I LOOKING AT?

  38. Atlantic Dogwhelk

  39. WHAT AM I LOOKING AT?

  40. Frilled Anemone

  41. WHAT AM I LOOKING AT?

  42. Plant limpet

  43. WHAT AM I LOOKING AT?

  44. Barnacle Barnacles are one of the most well adapted tide pool organisms and they can make their homes on logs, rocks, pilings, and even on whales and shellfish. They can be described as a shrimp-like organism, standing on its head, in a protective limestone house, shoveling plankton into its mouth.

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