Aquatic Invertebrates :: essays research papers

Outline for a reportAquatic Invertebrates Used to Classify spud HealthEcosystem either things finished in an environmentWater (input and output)Climate daytimePlant invigoration befool sculptureClear baseball swingting staidly set up exclusively aspects of an ecosystemMaine is, per capita, the most heavily logged state in the Continental U.S.Why Clear Cutting is UsedSimpleCreates a identical forest to proceeds in 40 days or soEasy to setCheap to Maintain (pesticides)Clear Cutting Impacts on rate of flowsClear Cutting seriously effects catamenia ecosystemsThe effects of work cutting washbowl be matt-up on burgeon forth ecosystems for up to 60 yearsThe First Five old age After a Clear CutThis time period is actually beneficial in most aspects of period animal (vertebrate and invertebrate) healthThe growth in CWD creates resources for alivenessNutrients good for aquatic species increaseNitrogen levels increase 40 measurePotassium levels increase 11 timesAfter Five YearsThe negative effects of clear cutting begin to be feltIncrease in fast growing plant life catches nutrientsIncreased solar radiation leads to increase water temperaturesWith no protection, water temperatures drop drastically at darknessAfter Five Years (continued)Packed territorial dominion and new vegetation lead to increased water input leading(a) to higher poll flows and washing out CWD and boulders (habitats)The stream widens and becomes shallowerOverall homogenization of the stream occurs twinkling GrowthAfter 30-40 years, second growth forests stickThe stream ecosystem stabilizes accredited Invertebrates drift invertebrates have adapted to the harsh stream environmentMayflies atomic number 18 flattened from top to bottom, allowing them to swim fast in low new areasBlackflies produce a substance to join on themselves to rocks when the occurrent is strong galore(postnominal) aquatic insects have tarsal claws used to attach themselves to rocks to avoid the curren tIdentifying Stream Quality with Stream InvertebratesThese adaptations have light-emitting diode to species that easily subsist in polluted streams and those that dontStreams bum be separate by the types of insects in themThere are 3 different categories of aquatic invertebrates when referring to stream healthInvertebrate Body splitHealthy Stream InvertebratesInvertebrates that live in a sinewy stream are class as Group One TaxaHealthy streams contain high biodiversity just about examples are...Stonefly1/2 to 1.5 atomic number 49es long2 dress suit6 legs with hooked tipsCaddisflyUp to 1 inch collection plate made of colly sticks or small rocks6 hooked legs various Caddisfly ShellsRiffle overhang1/4 inch long6 legsOval ashes covered with tiny hairsMayfly1/4 to 1 inch long2 or 3 tails6 rotund hooked legsOften confused with the Stonefly sensibly Healthy Stream InvertebrateInvertebrates that live in moderately salubrious streams are classified as Group Two TaxaModerately he althy streams support a lower number and diversity of speciesSome examples are... crawdaddyUp to 6 inches long8 legs, 2 clawsDragonflyAquatic Invertebrates essays research paper Outline for a reportAquatic Invertebrates Used to Classify Stream HealthEcosystemAll things contained in an environmentWater (input and output)ClimateDaylightPlant lifeClear CuttingClear Cutting seriously effects all aspects of an ecosystemMaine is, per capita, the most heavily logged state in the continental U.S.Why Clear Cutting is UsedSimpleCreates a uniform forest to harvest in 40 years or soEasy to replantCheap to Maintain (pesticides)Clear Cutting Impacts on StreamsClear Cutting seriously effects stream ecosystemsThe effects of clear cutting can be felt on stream ecosystems for up to 60 yearsThe First Five Years After a Clear CutThis time period is actually beneficial in most aspects of stream animal (vertebrate and invertebrate) healthThe increase in CWD creates resources for lifeNutrients good fo r aquatic species increaseNitrogen levels increase 40 timesPotassium levels increase 11 timesAfter Five YearsThe negative effects of clear cutting begin to be feltIncrease in fast growing vegetation catches nutrientsIncreased solar radiation leads to increased water temperaturesWith no protection, water temperatures drop drastically at nightAfter Five Years (continued)Packed soil and new vegetation lead to increased water inputLeading to higher peak flows and washing out CWD and boulders (habitats)The stream widens and becomes shallowerOverall homogenization of the stream occursSecond GrowthAfter 30-40 years, second growth forests developThe stream ecosystem stabilizesStream InvertebratesStream invertebrates have adapted to the harsh stream environmentMayflies are flattened from top to bottom, allowing them to swim fast in low current areasBlackflies produce a substance to attach themselves to rocks when the current is strongMany aquatic insects have tarsal claws used to attach them selves to rocks to avoid the currentIdentifying Stream Quality with Stream InvertebratesThese adaptations have led to species that easily survive in polluted streams and those that dontStreams can be classified by the types of insects in themThere are 3 different categories of aquatic invertebrates when referring to stream healthInvertebrate Body PartsHealthy Stream InvertebratesInvertebrates that live in a healthy stream are classified as Group One TaxaHealthy streams contain high biodiversitySome examples are...Stonefly1/2 to 1.5 inches long2 tails6 legs with hooked tipsCaddisflyUp to 1 inchShell made of mud sticks or small rocks6 hooked legsDifferent Caddisfly ShellsRiffle Beetle1/4 inch long6 legsOval body covered with tiny hairsMayfly1/4 to 1 inch long2 or 3 tails6 large hooked legsOften confused with the StoneflyModerately Healthy Stream InvertebrateInvertebrates that live in moderately healthy streams are classified as Group Two TaxaModerately healthy streams support a lower number and diversity of speciesSome examples are...CrayfishUp to 6 inches long8 legs, 2 clawsDragonfly