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International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic seas 2000 World Data Center for Oceanography, ...

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A k a d e m ic A le k s a n d r K a r p in s k y 0 8.1 7 - 0 9.0 4 1 9 9 3 2 s ta tio n s 7 5 N 7 5 N 7 0 N 7 0 N N e r itic PP a an nt ht ha laa lsa s si cs i k O c e a n ic O th e r 6 0 E 7 0 E Fig. E3.13. Phytoplankton. Surface-bottom. Ecological characteristics. August-September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas 5 0 E 7 0 E 6 0 E 8 0 E V essel:

A k a d e m ic A le k s a n d r K a r p in s k y 0 8.1 7 - 0 9.0 4 1 9 9 3 2 s ta tio n s 7 5 N 7 5 N 7 0 N 7 0 N B a c illa r io p h y t a P y r ro p h y ta C h lo r o p h y ta O th e r 6 0 E 7 0 E Fig. E3.14. Phytoplankton. Surface-bottom. Taxonomic composition. August-September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas N u m b e r o f S p e c ie s ( # /m ) D a ta d is t r ib u tio n A B C D E F A B C D E F % G e o g r a p h ic a l C h a r a c te r is tic s 5 35 C e l Ns u Cm o bu en r t so f( 1C 0 e l*l # / (m1 0 ) * # / m ) l s 100 10 B C D E F A A rc to -B o re a l C o s m o p o lita n B C D E F A B o re a l U nknow n % E c o lo g ic a l C h a r a c te r is t ic s B io m a s s ( m g /m ) 100 10 A B C D E F PP aa nn tthh aa l laa ss ss iikc N e r itic A B C D E F O c e a n ic O th e r % T a x o n o m ic C o m p o s it io n In d e x o f B io d iv e r s ity 1. A B C D E F 0. B a c illa r io p h y ta P y rro p h y ta A B C D E F H a p to p h y ta O th e r Fig. E4.1. Phytoplankton. Surface. Icebreaker Arktika. April-May, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas N u m b e r o f S p e c ie s ( # /m ) D a ta d is t r ib u tio n B C D E F A A B C D E F % G e o g r a p h ic a l C h a r a c te r is tic s 5 N u m b e r o f C e lls ( 1 0 * # / m ) 100 10 B C D E F A A rc to -B o re a l C o s m o p o lita n B C D E F A B o re a l U nknow n % E c o lo g ic a l C h a r a c te r is t ic s B io m a s s ( m g /m ) 100 10 A B C D E F PP a n t hh a l a s s i ck N e r itic B C D E F A O c e a n ic O th e r % T a x o n o m ic C o m p o s it io n In d e x o f B io d iv e r s ity 1. B C D E F A 0. B a c illa r io p h y ta P y rro p h y ta B C D E F A H a p to p h y ta O th e r Fig. E4.2. Phytoplankton. Surface. Icebreaker Sovetskiy Soyuz. April 1-9, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas N u m b e r o f S p e c ie s ( # / m ) D a ta d is t r ib u tio n B C D E F A A B C D E F % G e o g r a p h ic a l C h a r a c te r is tic s 5 N u m b e r o f C e lls ( 1 0 * # /m ) 100 10 A B C D E F A rc to -B o re a l C o s m o p o lita n A B C D E F B o re a l U nknow n % E c o lo g ic a l C h a r a c te r is t ic s B io m a s s (m g /m ) 100 10 A B C D E F PP a n t h a l a s s i ck N e r it ic A B C D E F O c e a n ic O th e r T a x o n o m ic C o m p o s it io n In d e x o f B io d iv e r s ity % 1.

A B C D E F 0. B a c illa r io p h y ta P y rro p h y ta B C D E F A H a p to p h y ta O th e r Fig. E4.3. Phytoplankton. Surface. Icebreaker Sovetskiy Soyuz. April 1722, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas N u m b e r o f S p e c ie s ( # / m ) D a ta d is t r ib u tio n B C D E F A A B C D E F % G e o g r a p h ic a l C h a r a c te r is tic s 5 N u m b e r o f C e lls ( 1 0 * # / m ) 100 B C D E F A A rc to -B o re a l C o s m o p o lita n B C D E F A B o re a l U nknow n % E c o lo g ic a l C h a r a c te r is t ic s B io m a s s ( m g /m ) 100 10 A B C D E F PP a n t h a l a s s i ck N e r it ic B C D E F A F re s h w a te r O th e r % T a x o n o m ic C o m p o s it io n In d e x o f B io d iv e r s ity 100 1. 0. B C D E F A B a c illa r io p h y t a P y rro p h y ta B C D E F A C h lo r o p h y ta O th e r Fig. E4.4. Phytoplankton. Surface. Icebreaker Vaygach. February, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas N u m b e r o f S p e c ie s ( # /m ) D a ta d is t r ib u tio n B C D E F A A B C D E F % G e o g r a p h ic a l C h a r a c te r is t ic s 5 N u m b e r o f C e lls ( 1 0 * # / m ) 100 10 D B C E F A A rc to -B o re a l C o s m o p o lita n B C D E F A B o re a l U nknow n % E c o lo g ic a l C h a r a c te r is tic s B io m a s s ( m g /m ) 100 10 D B C E F A PP aa nn t th ha al al as s si ki c N e r itic D B C E F A O c e a n ic O th e r % T a x o n o m ic C o m p o s it io n In d e x o f B io d iv e r s it y 100 1. 0. D B C E F A B a c illa r io p h y ta P y rro p h y ta B C D E F A H a p to p h y ta O th e r Fig. E4.5. Phytoplankton. Surface. Icebreaker Russiya. April, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas N u m b e r o f S p e c ie s ( # /m ) D a ta d is t r ib u tio n B C D E F A A B C D E F % G e o g r a p h ic a l C h a r a c te r is tic s 5 N u m b e r o f C e lls ( 1 0 * # /m ) 100 B C D E F A A rc to -B o re a l C o s m o p o lit a n B C D E F A B o re a l U nknow n E c o lo g ic a l C h a r a c te r is t ic s % B io m a s s ( m g / m ) 10 A B C D E F PP aa nn tt hh aa l laa ss s i kc N e r it ic B C D E F A F re s h w a te r O th e r % T a x o n o m ic C o m p o s it io n In d e x o f B io d iv e r s ity 100 1. 0. A B C D E F B a c illa r io p h y ta P y rro p h y ta A B C D E F C h lo r o p h y ta O th e r Fig. E4.6. Phytoplankton. Surface. Icebreaker Sovetskiy Soyuz. February-March, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas Fig. E4.6. Phytoplankton. Surface. Icebreaker Sovetskiy Soyuz. February-March, Appendix F. Zooplankton International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas 8 0 N 8 5 N 2 0 E 6 0 E 1 0 0E 8 5 N 8 0N 1 9 1 33 - - 11 9 9- 1913 8 4, 45 85 10 ss t taat it oi on ns s 9,2,475 m p l e s 0 8 1 s a stations 9,081 samples 7 5 N 7 5 N 7 0 N 7 0 N 66 05 N 6 60 5 NN 4 0 E 8 0 E 6 0 E Fig.

F1. Distribution of zooplankton data International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 1 0. 2 8 - 1 1. 0 2 1 9 5 2 1 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.1. Zooplankton. Surface-bottom. Biomass. October-November, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 1 0. 2 8 - 1 1. 0 2 1 9 5 2 0 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 6 8N 0. 3 5 E 4 0 E Fig. F2.2. Zooplankton. Surface-bottom. Biodiversity. October-November, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a, P r o f e s s o r D e r y u g in. 0 4. 1 5 - 0 4. 3 0 1 9 5 5 1 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.3. Zooplankton. Surface-bottom. Biomass. April, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 4. 1 5 - 0 4. 3 0 1 9 5 2 6 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 6 8N 0. 3 5 E 4 0 E Fig. F2.4. Zooplankton. Surface-bottom. Biodiversity. April, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 7. 1 5 - 0 7. 2 6 1 9 5 2 7 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 3,0 0 2,5 0 2,0 0 1,5 0 1,0 0 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.5. Zooplankton. Surface-bottom. Biomass. July, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 7. 1 5 - 0 7. 2 6 1 9 5 2 6 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 6 8N 0. 3 5 E 4 0 E Fig. F2.6. Zooplankton. Surface-bottom. Biodiversity. July, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 9. 2 5 - 1 0. 1 0 1 9 5 2 6 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.7. Zooplankton. Surface-bottom. Biomass. September-October, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 9. 2 5 - 1 0. 1 4 1 9 5 3 5 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 6 8N 0. 3 5 E 4 0 E Fig. F2.8. Zooplankton. Surface-bottom. Biodiversity. September-October, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 1 1. 2 1 - 1 2. 0 5 1 9 5 2 1 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.9. Zooplankton. Surface-bottom. Biomass. November-December, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 1 1.

2 1 - 1 2. 0 5 1 9 5 2 8 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 6 8N 0. 3 5 E 4 0 E Fig. F2.10. Zooplankton. Surface-bottom. Biodiversity. November-December, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 1 2. 0 9 - 1 2. 2 7 1 9 5 3 7 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.11. Zooplankton. Surface-bottom. Biomass. December, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 1 1. 2 1 - 1 2. 0 5 1 9 5 2 8 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 6 8N 0. 3 5 E 4 0 E Fig. F2.12. Zooplankton. Surface-bottom. Biodiversity. December, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 2. 0 7 - 0 2. 2 4 1 9 5 4 5 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.13. Zooplankton. Surface-bottom. Biomass. February, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 2. 0 8 - 0 2. 2 4 1 9 5 4 1 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 6 8N 0. 3 5 E 4 0 E Fig. F2.14. Zooplankton. Surface-bottom. Biodiversity. February, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: P r o fe s s o r D e r y u g in. 0 4.0 1 - 0 4.2 7 1 9 5 5 7 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.15. Zooplankton. Surface-bottom. Biomass. April, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: P r o fe s s o r D e r y u g in. 0 4.1 2 - 0 4.2 7 1 9 5 5 2 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 6 8N 0. 3 5 E 4 0 E Fig. F2.16. Zooplankton. Surface-bottom. Biodiversity. April, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: P r o fe s s o r D e r y u g in. 0 5.0 7 - 0 5.3 1 1 9 5 2 9 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.17. Zooplankton. Surface-bottom. Biomass. May, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: P r o fe s s o r D e r y u g in. 0 5.1 5 - 0 5.3 1 1 9 5 2 5 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 6 8N 0. 3 5 E 4 0 E Fig. F2.18. Zooplankton. Surface-bottom. Biodiversity. May, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a, P r o f e s s o r D e r y u g in. 0 6. 0 1 - 0 6. 1 4 1 9 5 3 2 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 06 8 N 3 5 E 4 0 E Fig. F2.19. Zooplankton. Surface-bottom. Biomass. June, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: P r o fe s s o r D e r y u g in. 0 6.0 1 - 0 6.1 4 1 9 5 2 6 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 0 60 8 N.

3 5 E 4 0 E Fig. F2.20. Zooplankton. Surface-bottom. Biodiversity. June, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 7. 0 4 - 0 7. 3 1 1 9 5 3 8 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.21. Zooplankton. Surface-bottom. Biomass. July, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 7. 0 4 - 0 7. 2 1 1 9 5 2 6 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 6 8N 0. 3 5 E 4 0 E Fig. F2.22. Zooplankton. Surface-bottom. Biodiversity. July, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 8. 1 1 - 0 9. 0 6 1 9 5 3 8 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N m g /m 6 8 N 6 8N 3 5 E 4 0 E Fig. F2.23. Zooplankton. Surface-bottom. Biomass. August-September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D ia n a. 0 8. 1 1 - 0 9. 0 6 1 9 5 3 7 s t a t io n s B a re n ts K a ra Sea Sea A re a of d e ta i l 3 5 E 4 0 E 7 0 N 7 0N 2. 2. 2. 1. 1. 1. 6 8 N 0 608 N.

3 5 E 4 0 E Fig. F2.24. Zooplankton. Surface-bottom. Biodiversity. August-September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: N e r p a 0 8.0 6 - 1 0.0 8 1 9 3 5 4 s ta tio n s 7 5 N # /m 7 0 N 7 0 N 6 0 E 7 0 E Fig. F3.1. Zooplankton. Surface-bottom. Number of species. August-October, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D a ln iy e Z e le n ts y 0 8.3 1 - 0 9.1 3 1 9 8 2 4 s ta tio n s 7 5 N # /m 7 0 N 7 0 N 6 0 E 7 0 E Fig. F3.2. Zooplankton. Surface-bottom. Number of species. August-September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: N e r p a 0 8.0 6 - 1 0.0 8 1 9 3 5 4 s ta tio n s 7 5 N 7 0 N 7 0 N 6 0 E 7 0 E Fig. F3.3. Zooplankton. Surface-bottom. Relative abundance. August-October, (1rare;

2common;

3abundant;

4very abundant) International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D a ln iy e Z e le n ts y 0 8.3 1 - 0 9.1 3 1 9 8 2 4 s ta tio n s 7 5 N 7 0 N 7 0 N 6 0 E 7 0 E Fig. F3.4. Zooplankton. Surface-bottom. Relative abundance. August-September, (1rare;

2common;

3abundant;

4very abundant) International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D a ln iy e Z e le n ts y 0 8.3 1 - 0 9.1 3 1 9 8 2 4 s ta tio n s 7 5 N 1 0 3 * # /m 7 0 N 7 0 N 6 0 E 7 0 E Fig. F3.5. Zooplankton. Surface-bottom. Abundance. August-September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D a ln iy e Z e le n ts y 0 8.3 1 - 0 9.1 3 1 9 8 2 4 s ta tio n s 7 5 N 2. 2. 2. 7 0 N 7 0 N 1. 1. 1. 1. 6 0 E 7 0 E Fig. F3.6. Zooplankton. Surface-bottom. Biodiversity. August-September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D a ln ie Z e le n ts y. 0 8.3 1 - 0 9.0 2 1 9 8 5 s ta tio n s A B 0m K a ra 100m Sea A B S e c t io n 1 200m 300m A B 0m 100m # /m 3,5 0 3,0 0 200m 2,5 0 2,0 0 1,5 0 1,0 0 300m Fig. F3.7. Zooplankton. Section 1. Abundance. August-September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D a ln ie Z e le n ts y. 0 8.3 1 - 0 9.0 2 1 9 8 5 s ta tio n s A B 0m K a ra 100m Sea A B S e c tio n 1 200m 300m A B 0m 100m 3. 3. 200m 2. 2. 1. 1. 300m 0. 0. Fig. F3.8. Zooplankton. Section 1. Biodiversity. August-September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D a ln ie Z e le n ts y. 0 9.0 4 - 0 9.0 6 1 9 8 6 s ta tio n s A B 0m K a ra 100m Sea S e c tio n 200m A B 300m 400m A B 0m 100m # /m 3,5 0 200m 3,0 0 2,5 0 300m 2,0 0 1,5 0 1,0 0 400m Fig. F3.9. Zooplankton. Section 2. Abundance. September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D a ln ie Z e le n ts y. 0 9.0 4 - 0 9.0 6 1 9 8 6 s ta tio n s A B 0m K a ra 100m Sea S e c tio n 200m A B 300m 400m A B 0m 100m 3. 200m 3. 2. 300m 2. 1. 1. 300m 0. 0. Fig. F3.10. Zooplankton. Section 2. Biodiversity. September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D a ln ie Z e le n ts y.


0 9.0 6 - 0 9.0 8 1 9 8 5 s ta tio n s A B 0m S e c tio n 100m A B K a ra Sea 200m 300m A B 0m 100m # /m 3,5 0 3,0 0 200m 2,5 0 2,0 0 1,5 0 1,0 0 300m Fig. F3.11. Zooplankton. Section 3. Abundance. September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas V e s s e l: D a ln ie Z e le n ts y. 0 9.0 6 - 0 9.0 8 1 9 8 5 s ta tio n s A B 0m S e c tio n 100m A B K a ra Sea 200m 300m A B 0m 100m 3. 3. 200m 2. 2. 1. 1. 300m 0. 0. Fig. F3.12. Zooplankton. Section 3. Biodiversity. September, International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas APPENDIX G. DOCUMENTATION OF CHANGES OF THE PLANKTON COMMUNITY International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas 3 0 E 4 5 E 3 0 E 4 5 E 1921 7 2 N 7 2 N B a re n ts 7 2N B a re n ts 7 2 N Sea Sea 279 km 279 km 6 8 N 6 8 N 6 8N 6 8 N 45 E 3 0 E 4 5 E 3 0 E 10 0.8 0.6 N u m b e r o f c e lls B io d iv e r s ity A r c tic s p e c ie s O c e a n ic s p e c ie s (# /m 2 ) (% ) (% ) Data Vessel Date Stations/samples Sokolitsa May, 1921 5/ Dalnie Zelentsi May, 1997 7/ Characteristics Phytoplankton abundance, biodiversity coefficient (the Glisson coefficient), percent of Arctic and oceanic species.

Conclusion Each of the analyzed characteristics shows that the conditions for the phytoplankton development were more favorable in May 1921 than in May 1997.

Fig. G1. Phytoplankton. Barents Sea. 69-72 oN, 33o30' E. 1921 vs. International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas 3 0 E 4 5 E 7 2 N 7 2 N S a m p lin g a r e a B a re n ts Sea 6 8 N 6 8 N 4 5 E 3 0 E 9 N u m b e r o f c e lls ( 1 0 * # /m ) 1921 1957 1985 B io d iv e r s ity 0. 1921 1957 1985 Data Data processing covers the data collected during April-May of 1921, 1957, 1985, 1997 within the region with a 15-miles radius and a central point with coordinates 71 oN, 33o30'E. Totally 37 samples from 8 stations were collected.

Characteristics Summer average values of biodiversity and number of cells are calculated under m2.

Conclusion The conditions for phytoplankton growth in April-May of 1921 were more favorable than in the similar period of 1957, 1985, and 1997.

Fig. G2. Phytoplankton. Barents Sea. 71 oN, 33o30'E. 1921-1957-1985- International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas 1936 RelativevOccurrencen (%) ( % R e la ti e o c c u r e c e ) A e g in o p s is T h e m is to C a la n u s la u r e n tii lib e llu la h y p e rb o re u s A r c t i c s p e c i e s Data Vessel Date Stations/samples Nerpa August, 1936 38/ Dalnie Zelentsi August, 1981 24/ Characteristics Relative occurrence (the number of species in percent from the total amount) of zooplankton species as indicator of the Arctic waters has been calculated.

Conclusion The climatic conditions in the Kara Sea were more severe in 1981 than in 1936.

Fig. G3. Zooplankton. Kara Sea. 1936 vs. International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas B a r e n ts K a ra Sea Sea A re a of d e ta il 8 4 c ru is e s 1 6 3 0 s t a t io n s 7 1 3 7 p ro be s A n o m a ly o f t e m p e r a t u r e ( C ). D e p t h 0 - 2 0 0 m 0.2 0.2 5 0.2 - 0.2 - 0.2 7 - 0.2 Z o o p la n k t o n v a r ia b l e s 350 1. 1. B io m a s s B io d iv e r s i t y A bund ance ( m g /m 2 ) ( # /m 2 ) 1 9 53 -1 9 5 5 1 9 5 6 -1 9 5 Data Zooplankton of 84 cruises carried out during the period 1953-1958.

1630 stations, 7137 samples.

Characteristics Temperature anomaly, biomass, abundance, biodiversity coefficient.

Conclusion The period from 1953-1955 had more favorable conditions for zoo plankton development in comparison to the period from 1956-1958.

One of the possible reasons for this phenomenon comes from the observed positive temperature anomalies in the period 1953-1955.

Fig. G4. Zooplankton. Barents Sea. 1953-1955 vs. 1956- International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas 3 0 E 4 5 E 3 0 E 4 5 E 1921 72 N 72 N B a re n ts B a re n ts 7 2 N 7 2 N Sea Sea 279 km 279 km 68 N 68 N 6 8 N 6 8 N 4 5E 4 5 E 3 0E 3 0 E 6 2 N u m b e r o f c e lls B io d iv e r s ity 10 * # /m 100 1. 10 1997 0. 1 0. D is ta n c e ( k m ) D is ta n c e ( k m ) 10 0. 0 100 200 0 100 200 A r c t ic s p e c ie s O c e a n ic s p e c ie s % % 100 80 60 40 20 D is t a n c e ( k m ) D is t a n c e ( k m ) 0 100 200 300 0 100 200 Fig. G5. Phytoplankton. Barents Sea. Kola Section. 1921 vs. International Ocean Atlas Series, Volume 2 Biological Atlas of the Arctic Seas B a re n ts K a ra Sea Sea A re a of d e ta i l 8 4 c r u is e s 1 6 3 0 s ta t io n s 7 1 3 7 p ro b e s o A n o m a ly o f te m p e r a tu r e ( C ) Depth 0-200m - B io m a s s ( m g /m ) 1 A b u n d a n c e ( # /m ) 1 B io d iv e r s it y 1 9 5 9 Y e a rs 1952 1953 1954 1955 1956 1957 Fig. G6. Zooplankton. Barents Sea. Trends. 1952-

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