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Ekologi 1 > Produktion och nedbrytning > Flashcards

Produktion och nedbrytning Flashcards

1
Q

Fotosyntes

A

koldioxid+ljus+vatten= glukos + syre

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2
Q

Cellandning

A

kolhydrater (glukos) + syre = koldioxid + vatten

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3
Q

Autotrofa organismer

A

Primärproducenter

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4
Q

Heterotrofa organismer

A

Sekundärproducenter

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5
Q

Destruenter

A

Nedbrytare

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6
Q

Rovfiskar

A

Fiskivora fiskar

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7
Q

Växtätande fiskar

A

planktivara fiskar

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8
Q

Effektivitet

A

Hur energi övergår mellan trofnivåer

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9
Q

Vad begränsar antalet trofnivåer och artrikedomen?

A

Effektiviteten

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10
Q

Hur många procent av primärproducenternas biomassa bygger upp sekundärproducenternas biomassa?

A

10%

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11
Q

Bruttoproduktion

A

total produktion

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12
Q

Nettoproduktion

A

bruttoproduktion-cellandning

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13
Q

Nedbrytning

A

Organiska ämnen/ kemiska bindningar frigörs av destruenter

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14
Q

Steg 1 i nedbrytningsfas

A

Läckage

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15
Q

Steg 2 i nedbrytningsfas

A

Kolonisering

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16
Q

Steg 3 i nedbrytningsfas

A

Fragmentering + mekanisk påverkan

17
Q

Steg 4 i nedbrytningsfas

A

Mineralisering och immobilisering

18
Q

Bakterier, svampar, microflora, meiofauna, macrofauna och megafauna föder sig på

A

Detritus/ döda växtdelar

19
Q

Mineralisering

A

Organiska föreningar > inorganiska

20
Q

Immobilisering

A

Inorganiska föreningar > organiska

21
Q

Nettomineraliseringstakt

A

nettofrigörelsen av näringsämnen till jord/vatten under nedbrytningen.

22
Q

Studier på nedbrytningstakten görs i

A

Nätpåsar

Ekologi 1 (8 decks)

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