Latitudinal gradients of species richness in the deepsea benthos of the North Atlantic

1
Latitudinal gradients of species richness in
thedeep-sea benthos of the North Atlantic

• Michael A. Rex, Carol T. Stuart, and Gina Coyne
• Department of Biology, University of
  Massachusetts, Boston, MA 02125
• Communicated by Jane Lubchenco, Oregon State
  University, Corvallis, OR, December 31, 1999
  (received for review July 5, 1998)

2
???????? ?????? ?? ???? ?????? ??????? ??? ?????
????? ??????? (????? ?????? ??????)

• LSDG Latitudinal species diversity gradient
• ???????? ?????? ?? ???? ??????

3

.
4
?? ?????? ?????

• ????? ????? ?????? ?? ???????? ??? ??????.

5
. ??????? ????? ?????? ??????( LSDG) ???? ?????
?????? ????? ???????...????? ????? ?????? ???
????? ???????? ?????? ????? ?????? ?? ????? ??
????. ????? ????? ????? ????? ??????? ???????
??? ????? ???????? (500-4000??? ) ???? ???????
...???? ?? ????? ?????? ?????? ????? ??????? ????
????? ????????? ?? ????? ???.
6
(No Transcript)
7
?? ?????????? ????? ? LSDGs ?? ???? ??? ????
??? ?? ?????? ???? ?????

• ???? ???
• ?????? ??????? ?? ????? ????? ?????? ?? ?????
  ?????? ??? ??????? ???? ?????.

• ?????? ???? ???????
• ?????? ??????? ?? ???? ?????? (???? ?????? ?????
  ?? ????? ??? ?? ???? ????? ????.

8
??? ????? ????? ?????? ?????? (LSDG) ??????? ???
????? ????? ????? ?????? ??? ??????? ??? ???? ??
?????? ??? ??? ???????? ?????? ???? ??????

• ??? ?????? ?? ??????? ??? ???? ????????? ??
  ??????? ???? ???? ?????? ?????? ??????? E(Sn).
  ??? ???? ????? ????? ????? ?????? ??? ???????
  ???? ?????.
• ???? ?????...

9
????? ??? ???? ?? ?????????,???????? ???????????
????? ????? ??? ??????? ?? ??? ?? ????? ?????
?????? ???? ?????.?????? ????? ?????? ?????????
(500-4000???) ????? ??????? ????
?????????(Norwegian sea) ????? ????? ?????
???????? ??? ?????.???? ????? H ? E(Sn) ??????
????????? ????.
10
(No Transcript)
11
(No Transcript)
12
?????? ????...

• - S ???? ?????? (???? ??????)
• H- ???? ??? ?????? ?????? ??????the
  Shannon-Wiener information function
• J - ?????? ???? ?????.

13
??????...

• H ? S ?????? ????????? ????? ?? ???? ??????
  ???? ?? ???????.
• J ???? ????????? ????? ?? H ???? ?????????,
  ????????? ????? ???? ?????????? ?????? ????
  ????????? ???? ?? ?? ????? ?????????.

14
????? ????? ?????? ?????? (LSDG) ??? ????? ??
???? ??????.
15
???? ?????? ????? ???? ?? ????? ????? ???? ?????.

• ????? ???? ?????? ??????????? ?????? ????? ??
  ??????? TURRIDAE ?"? ????? ??????? ???????? ??
  ????????"? ????? ??????? ?????? ?????? ??? ????
  ?? ???? ?????? ????????? ?? ????? ???? ?????
  ??????.

16
(No Transcript)
17

• "??? ??????? ???????? ?? ???????
  ?????????????? ?????? ???? ?????? ?? ?? ???? ????
  ?????? ?? ???? ?????? ???????? ??????? ?????
  ???.???????? ???? ?????? ?????? ?? ? LSDG ?? ??
  ???? ????.?? ???? ??? ????? ???? ?????? ?? ?????
  ????? ?? ??????? ???? ?????? ?????? ?????? ???
  ????????? ??????? ????? ??? ????? ??????
  ????????"

18
????? ???????? ?????? ?? ???? ???? ????? ???????
????? ?????? ?????? ?????? ??? ??? ??????
???????? ??????? ?????? ??????????? ????? ???
????? ?? ????? ??????? ?????? ????? ????? ??
????? ?????? ?? ?????? ?????? ????? ???????.
19
??????...???? 3 ?????? ?????...

• ??????? ????? ?????? ?????? ( (LSDG
• ???? ?? ????? ????? ?????? ?? ??????? ???
  ??????...????? ?????? ????? ???? ????.?????
  ?????? ?????? ?????? ??????? ??????? ??? ?????
  ???????? (400-5000m) ????? ????????? ??????? ????
  ????? ?? ??????? ??????? ?????? ??.
• ???,?? ??? ??? ?????? ????? ????? ?????? ??????
  ??? ???? ??? ???? ??? ???? ?? ????? ?????? ?????
  ??????? ???? ??????? ?????? ????? ?"? ???? ??????
  (???? ????? ?????? ??? ?? ???? ????? ????),?????
  ??? ????? ??? LSDG ???? ??????? ?? ????? ?????
  ????? ?? ???? ?????? ??? ?????? ???? ?????.

20
??????...

• ??? ?????? ?? ??????? ??? ???? ????????? ??
  ??????? ???? ???? ?????? ?????? ??????? ???? ????
  ????? ????? ????? ?????? ??? ??????? ????
  ?????,??? ???? ?????
• ??? ???? ????? ?????? ?????? ??????? ??? ?????
  ????? ????? ?????? ??? ??????? ??? ???? ?? ??????
  ??? ??? ???????? ?????? ???? ?????.
• ????? ??? ???? ?? ????????? ??????????? ??????
  ????? ????? ??? ??????? ?? ??? ?? ????? ????
  ????? ????? ??????,?? ??? ??? ?? ???? ??? ??????
  ?????? ?? ???? ?????? ??????? ?? ???? H.????????
  ??? ?-H ????? ?????? ?????? ????? ???? ?? ????
  ?????? ???? ?? ???????.J ???? ????? ????? ?? ??
  ????? ???? ??????????,???? ????? ??? ???????????
  ?????? ???? ????? ???? ?? ?? ????? ??????.
• ??????? ????? ?? ????? ????? ?????? ?????? LSDG
  ????? ?? ???? ?????? ????.
• ???? ???? ?????? ??????????? ?????? ????? ??
  ??????? TURRUDAE

21
??????...

• ???? ???? ?????? ??????????? ?????? ????? ??
  ??????? TURRIDAE ...?? ??? ?????? ?????? ?? ?????
  ????? ?? ??????? ???????? ?? ?????? ??? ????? ??
  ???? ?????? ????????? ?? ????? ???? ????? ??????.
  ???? ?????? ????? ???? ?? ????? ????? ????
  ??????.
• ????? ,????? ???????? ?????? ?? ???? ???? ?????
  ??????? ????? ?????? ?????? ?????? ??? ??? ??????
  ???????? ??????? ?????? ??????????? ????? ???
  ????? ?? ????? ??????? ?????? ????? ????? ??
  ????? ?????? ?? ?????? ?????? ????? ???????.

22
????? ??????? ?????? ?? ?????? ?????? ?? ?????!
???? ?

• ?????