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Instruction in biotopes biotopes in Hoeng in Hoeng

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Denmark Stream

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Page 1: Denmark Stream

InstructionInstruction in biotopes in biotopesin Hoengin Hoeng

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D.8 may we should down to our biotope D.8 may we should down to our biotope the river.the river.

The wether was The wether was cloudy, cloudy, windy and windy and raining.raining.

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1. spot identically 1. spot identically bank : 6,20 meter. bank : 6,20 meter. Depth : 0.55-1,00 Depth : 0.55-1,00 meter deep. meter deep.

The The flowflow is is 56.m/sek. 56.m/sek.

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KårfaktorerKårfaktorer

PH asset to the earth nearby the breadth was 8, closer towards land it was 9.PH asset to the earth nearby the breadth was 8, closer towards land it was 9.PH down to the water was inferior , it was 6. Sodium was 8 mg/ l and phosphatePH down to the water was inferior , it was 6. Sodium was 8 mg/ l and phosphate was 10mg/l Water temperature was 12 degrees and air temperature was 12 degrees was 10mg/l Water temperature was 12 degrees and air temperature was 12 degrees Light intensity proves evident very likely weak why longish down decent upcoming. Light intensity proves evident very likely weak why longish down decent upcoming. Here's the first and last secondHere's the first and last second

0,00000,0000 262,44262,44 40,000040,0000 127,55127,55

0,20000,2000 262,44262,44 40,200040,2000 129,60129,60

0,40000,4000 262,44262,44 40,400040,4000 130,55130,55

0,60000,6000 262,44262,44 40,600040,6000 131,96131,96

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Earth testsEarth tests

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Birds at the streamBirds at the stream

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KnopsvaneKnopsvane

The mute swan is the The mute swan is the national bird of national bird of Denmark and biggest Denmark and biggest bird. 2 may lays the 4-bird. 2 may lays the 4-7 edge. The kids has 7 edge. The kids has a ash dunpels , it is a ash dunpels , it is ultimate to års the ultimate to års the age the proves white.age the proves white.

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Wood pigeonWood pigeon

The wood pigeon is a The wood pigeon is a common bird in common bird in Denmark. Denmark.

IT lays 2 white eggsIT lays 2 white eggs

It is normally that it It is normally that it breeds 3-4 times a breeds 3-4 times a year.year.

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BlazonedBlazoned

Blazoned is a common Blazoned is a common breeding bird that lives breeding bird that lives anywhere in Denmark. anywhere in Denmark.

From ultimate April and From ultimate April and into May lays the into May lays the Blazoned its granules Blazoned its granules eggs with black / brown eggs with black / brown dots. It lays 8-13 eggs.dots. It lays 8-13 eggs.

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MallardMallard

A mallard is the most A mallard is the most common duck in common duck in Denmark. It lives Denmark. It lives anywhere in anywhere in Denmark. Denmark.

From April - May the From April - May the MallardMallard lays 8-12 lays 8-12 eggseggs

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VandkalvenVandkalven

The name in latin name is The name in latin name is Dytíscus marginális. It Dytíscus marginális. It swims by moving the swims by moving the back legs back and forth.back legs back and forth.

Its larva shrinks ashore to Its larva shrinks ashore to July month where they July month where they pupates. They grow up pupates. They grow up vandkalve can live vandkalve can live several years.several years.

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May Flu 1May Flu 1

Latins name : Ephermera Danica Latins name : Ephermera Danica

It is called may flu , from anglers. It It is called may flu , from anglers. It has a one year vital cycle. has a one year vital cycle.

Normally rises they up from the Normally rises they up from the water to change themselves, from water to change themselves, from

the end of May to centre of June.the end of May to centre of June.

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May Flu 2May Flu 2

The grown up May Flue The grown up May Flue lives only a couple of lives only a couple of days or hours.days or hours.

In their short life they do In their short life they do

not drink or eat. not drink or eat.

Birds are their enemies. Birds are their enemies.

They lay their eggs into They lay their eggs into the water by the bank the water by the bank of the river.of the river.

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Sub imagoSub imago Latin name: Ecdyúrus Vólitans.Latin name: Ecdyúrus Vólitans.

Place of living: They live everywhere in Place of living: They live everywhere in waterholes, but hides in day under waterholes, but hides in day under stones. There is  33 different arts in stones. There is  33 different arts in Denmark.Denmark.

Size: Up to 12 mm.Size: Up to 12 mm.

Eat: Alger and Eat: Alger and crayfishcrayfish..

Enemy: FishEnemy: Fish

Formation: The adult may fly male Formation: The adult may fly male catch the female in the air with a hook catch the female in the air with a hook it have on the back of the body. The it have on the back of the body. The female put her eggs into the water female put her eggs into the water surface. surface.

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AppearanceAppearance The may caterpillar is that insect who The may caterpillar is that insect who

most makes skin changing. most makes skin changing.

They can change skin 24 times during They can change skin 24 times during the two evolution years they have in the two evolution years they have in the water.the water.

It is a insect.It is a insect.

The may fly have 3 tails, 6 legs and 7 The may fly have 3 tails, 6 legs and 7 gillgill on both sites of the body.on both sites of the body.

It has not a real pupa stage , but it has It has not a real pupa stage , but it has a funny "sub imago-stadium" between a funny "sub imago-stadium" between last caterpillar stadium and the adult last caterpillar stadium and the adult insect.insect.

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Formning and transformationsFormning and transformations

Here's a portrait there displays how the May Here's a portrait there displays how the May Flue nymph commutes themselves to a a nine Flue nymph commutes themselves to a a nine days' wonder and multiples themselves.days' wonder and multiples themselves.

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Universe oldest fossilUniverse oldest fossil

The fossil consisted only from The fossil consisted only from a cliff, that was found in a cliff, that was found in Scotland in 1920’erne. Scotland in 1920’erne.

It is between 408 and mill. It is between 408 and mill.

years old , and therefore the years old , and therefore the oldest from the universe. oldest from the universe.

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crayfish & spinnerscrayfish & spinners

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VandbænkebiderVandbænkebider

At latin are accessed At latin are accessed vandbænkebideren vandbænkebideren Asellus Aquaticus. Asellus Aquaticus. Vandbænkebideren is Vandbænkebideren is highly usual to highly usual to Denmark. The liver to Denmark. The liver to åer søer , little åer søer , little damme , where the damme , where the implied amid brickimplied amid brick

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Seaweed fleaSeaweed flea

Latin name Aged sp. Latin name Aged sp.

It is highly common to It is highly common to lakes and streams. lakes and streams.

It lives from plants, It lives from plants, however it also eats however it also eats small animals.small animals.

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Disc snailDisc snail The snail is highly common in The snail is highly common in

lakes and streams. lakes and streams.

It has a brown shall.It has a brown shall.

Food is algae. Food is algae.

It lays ca. 25 eggs, into som It lays ca. 25 eggs, into som slime. It place the eggs at slime. It place the eggs at water Plants. water Plants.

The snail has the haemoglobin The snail has the haemoglobin to the blood , that doing that it to the blood , that doing that it do not need to go up and do not need to go up and subtract the weather so subtract the weather so frequently.frequently.

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PlanariePlanarie

Planarie is called Planarie is called Dendrocoleum Lacteum.Dendrocoleum Lacteum.

It is common if the water It is common if the water is clean. It is like a is clean. It is like a grey-grey-whitewhite slime slime blobblob. It has . It has 2 little black eyes. 2 little black eyes.

It is a It is a predatorpredator. It has a . It has a trunk at the stomach and trunk at the stomach and pick up small animal. pick up small animal.

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Dog leechDog leech The latine name is The latine name is

Herpodella. Herpodella.

It is It is exactly alikeexactly alike brown brown or brown with some light or brown with some light spots. The spots. The lengthlength It is It is ca. 2 mm. ca. 2 mm.

They lays oval egg They lays oval egg cocoons at the water cocoons at the water plants and the bricks.plants and the bricks.

They gets stuffing one gotThey gets stuffing one got up by vinteren when the up by vinteren when the

goes to goes to winter lair.winter lair.

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BugsvømmerBugsvømmer

Latine name is Corixa Latine name is Corixa Geoffroyi. Geoffroyi.

The length is about The length is about 15 mm. It is common 15 mm. It is common into calm water. into calm water.

It belongs to bug It belongs to bug family.family.

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PlantsPlants

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PlantesPlantes

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ReedReed Reed is a plant, which Reed is a plant, which

stand around lakes stand around lakes and streams. Reed and streams. Reed can get up to 3 ½ can get up to 3 ½ meters above the meters above the water, and 1-2 meters water, and 1-2 meters under the water. The under the water. The straw is very hard! straw is very hard! They grow 4-5 cm. a They grow 4-5 cm. a day. They can be a day. They can be a live up to 20-25 years.live up to 20-25 years.

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Water ThymeWater Thyme

Water thyme can in very Water thyme can in very short time cover the short time cover the whole water surface and whole water surface and by that shut off so that the by that shut off so that the sunlight cannot penetrate sunlight cannot penetrate the water. This means the water. This means that the vegetation at the that the vegetation at the bottom die.bottom die.

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Dead-NettleDead-Nettle

The dead-nettle is a plant The dead-nettle is a plant there is about 25-50 cm. there is about 25-50 cm. The leaves is like the The leaves is like the stinging nettles leaves.stinging nettles leaves.

Dead-nettle means Dead-nettle means ”ineffective nettle” The ”ineffective nettle” The flowers are sitting in flowers are sitting in wreaths on the stem. It wreaths on the stem. It blooms in may – august.blooms in may – august.

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Forget-me-not Forget-me-not

The plant is about 15 - 40 cm The plant is about 15 - 40 cm high with edged stem, with high with edged stem, with hair. The leaves are shaped hair. The leaves are shaped lancet.lancet.

The flowers are blue as the The flowers are blue as the sky with yellow throat. In the sky with yellow throat. In the good old days you gave your good old days you gave your lover a Forget-me-not because lover a Forget-me-not because the blue collar is a symbol of the blue collar is a symbol of faithfulness.faithfulness.

Blustering in May and June.Blustering in May and June.

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Hedgehog budHedgehog bud

The The stem stem is 40 cm. is 40 cm.

At every branch sits 1-3 At every branch sits 1-3 balls! It is balls! It is female flower female flower or fruits.or fruits.

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Klaseskærm Klaseskærm

The plant is about The plant is about 130 cm high, however 130 cm high, however frequently inferior.frequently inferior.

The stem is The stem is perforation and with perforation and with many branches.many branches.