Aquatic Ecosystems August 16, 2019 | No Comments Corals Reefs Colonies of polyps.Symbiotic relationship between polyp and algae (zooanthellae) Nematocysts Stinging cells, secrete calcium carbonate Coral Bleaching Chemical pollution, global warming, extra UV, excess sediment from rivers, human contact How much of the earth’s surface is covered by salt and freshwater? 3/4ths Plankton Free- floating, drifting organisms Phytoplankton Plants Zooplankton animals Nekton Fish, turtles, whales, etc Benthos Bottom dwellers Euphotic Zone Sunlight can penetrate (upper layer) Bathyal Zone Twilight area Abyssal Zone Dark bottom layer The Coastal Zone Warm, nutrient rich, shallow waterLess than 10% of the world’s oceans are coastal, but 90% of the species live in there Intertidal Zone Changing temperature, salinity, wave action, desication (dying out) Kelp Forest Macrosystis. Giant Kelp, provides shelter and food Holdfast attaches it to a rock not roots Air Bladder helps fronds stay near surface Keystone Species Presence/absence of this species profoundly affects the ecosystem Where are salt marshes found? Mangrove trees? Saltmarches are found in temperate zonesMangrove forests are found in tropical zones Estauries where fresh and salt water mixes. Tolerant of chance in temperature and salinity Barrier Islands sandy islands that form off shore primary and secondary dunes protect land from erosion by the sea Standing water=Flowering water= lenticlotic Limnetic Zone Light is able to penetrate into lake Littoral Zone Light is able to penetrate, but near shoreHighest diversity Profundal Zone Twilight. Fish who like cold/dark water Benthic Dark and cold, bottom of lake Source Zone Snow melts, rapids, fast and cold water Transition Zone Fast flowing water, not rapids Floodplain zone water loses moentum and branches off Overturns equalize temperature. Oxygen is brought to the top and only happens in areas that have seasons Thermocline thin line where temperature is different Oligotrophic Lake Poorly nourished. Newly formed Eutrophic Lake Well nourished, excessive plant growth Cultural Eutrophication Human inputs of nutrients, accelerate the eutrophication process. DEAD ZONE Inland Wetlands act like natural sponges, Provide a variety of wildlife haibitats Mitigation Banking It is an agreemen to restore whatever wetlands you ruin To Test water quality Smell, colour, bacteria, turbirty (water clarity) Nitrogen, phosphorus, pH, examine what’s living in it Macroinverabrates Aquatic, macro, no spine. Best services for writing your paper according to Trustpilot Premium Partner From $18.00 per page 4,8 / 54,80 Writers Experience4,80 Delivery4,90 Support4,70 Price Get help Recommended Service From $13.90 per page 4,6 / 54,70 Writers Experience4,70 Delivery4,60 Support4,60 Price Get help From $20.00 per page 4,5 / 54,80 Writers Experience4,50 Delivery4,40 Support4,10 Price Get help * All Partners were chosen among 50+ writing services by our Customer Satisfaction Team Intolerant: dies easily. GOODTolerant: doesn’t die easily. BAD The EPT. Midge ratio total number of intolerant organisms (EPT) with total of midges Related posts: CA Water Policy AP Exam Definitions This regions. The increasing levels of salinity of Aquatic Environments Exam 1 Summary
