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Overvåking av langtransportert forurenset luft og nedbør ... - Klima

Overvåking av langtransportert forurenset luft og nedbør ... - Klima

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<strong>Overvåking</strong> <strong>av</strong> <strong>langtransportert</strong> <strong>forurenset</strong> <strong>luft</strong> <strong>og</strong> <strong>nedbør</strong>. Årsrapport - Effekter 2007 (TA-2439/2008)<br />

Innhold<br />

1. Innledning................................................................................................................... 9<br />

2. Luft <strong>og</strong> <strong>nedbør</strong>.......................................................................................................... 10<br />

2.1 Utslipp........................................................................................................................ 10<br />

2.2 Nedbørkjemi - våt<strong>av</strong>setninger.................................................................................... 10<br />

2.3 Luftens innhold <strong>av</strong> forurensninger - tørr<strong>av</strong>setninger ............................................... 14<br />

2.4 Total<strong>av</strong>setning fra <strong>luft</strong> <strong>og</strong> <strong>nedbør</strong>............................................................................... 15<br />

2.5 Bakkenær ozon........................................................................................................... 16<br />

3. Vannkjemisk overvåking......................................................................................... 18<br />

3.1 Presentasjon <strong>av</strong> det vannkjemiske overvåkingspr<strong>og</strong>rammet ..................................... 18<br />

3.1.1 <strong>Overvåking</strong> <strong>av</strong> innsjøer .............................................................................................. 18<br />

3.1.2 <strong>Overvåking</strong> <strong>av</strong> elver ................................................................................................... 19<br />

3.1.3 <strong>Overvåking</strong> i feltforskningsområder .......................................................................... 19<br />

3.2 Forholdene i feltforskningsområdene i 2007 ............................................................. 21<br />

3.3 Trender i vannkjemi – innsjøer .................................................................................. 35<br />

3.4 Vannkjemiske trender i små vann på Jarfjordfjellet i Øst-Finnmark......................... 48<br />

3.5 Vannkjemiske trender i elver ..................................................................................... 52<br />

3.6 Vannkjemiske trender i feltforskningsområdene ....................................................... 61<br />

4. Vannbiol<strong>og</strong>isk overvåking....................................................................................... 70<br />

4.1 Presentasjon <strong>av</strong> det biol<strong>og</strong>iske overvåkingspr<strong>og</strong>rammet ........................................... 70<br />

4.1.1 Bunndyr...................................................................................................................... 73<br />

4.1.2 Planktoniske <strong>og</strong> litorale krepsdyr............................................................................... 75<br />

4.1.3 Fisk............................................................................................................................. 76<br />

4.2 Resultater fra biol<strong>og</strong>isk overvåking <strong>av</strong> innsjøene 2007 ............................................. 77<br />

4.2.1 Region I – Østlandet-Nord......................................................................................... 77<br />

4.2.2 Region II – Østlandet-Sør .......................................................................................... 79<br />

4.2.3 Region III – Fjellregion Sør-Norge............................................................................ 80<br />

4.2.4 Region IV - Sørlandet-Øst ......................................................................................... 82<br />

4.2.5 Region V - Sørlandet-Vest......................................................................................... 85<br />

4.2.6 Region VI -Vestlandet-Sør......................................................................................... 88<br />

4.2.7 Region VII - Vestlandet-Nord.................................................................................... 90<br />

4.2.8 Region VIII - Midt-Norge.......................................................................................... 93<br />

4.2.9 Region IX - Nord-Norge ............................................................................................ 93<br />

4.2.10 Region X - Øst-Finnmark .......................................................................................... 94<br />

4.3 Utvikling i forsuringsstatus........................................................................................ 95<br />

4.4 Biol<strong>og</strong>i i rennende vann ........................................................................................... 103<br />

4.4.1 Bunndyr.................................................................................................................... 103<br />

4.4.2 Ungfiskundersøkelser............................................................................................... 109<br />

5. Referanser............................................................................................................... 113<br />

Vedlegg A. Inndeling <strong>av</strong> landet i regioner.......................................................................... 116<br />

Vedlegg B. Analysemetoder <strong>og</strong> kvalitetskontroll for vannprøver ................................... 118<br />

Vedlegg C. Vannkjemiske målestasjoner........................................................................... 121<br />

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