923 resultados para INCRASSATA ELLIS LAMOUROUX


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Presented are physical and biological data for the region extending from the Barents Sea to the Kara Sea during 158 scientific cruises for the period 1913-1999. Maps with the temporal distribution of physical and biological variables of the Barents and Kara Seas are presented, with proposed quality control criteria for phytoplankton and zooplankton data. Changes in the plankton community structure between the 1930s, 1950s, and 1990s are discussed. Multiple tables of Arctic Seas phytoplankton and zooplankton species are presented, containing ecological and geographic characteristics for each species, and images of live cells for the dominant phytoplankton species.

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During the latest Cretaceous cooling phase, a positive shift in benthic foraminiferal d18O values lasting about 1.5 Myr (71.5-70 Ma) can be observed at a global scale (Campanian-Maastrichtian Boundary Event, CMBE). This d18O excursion is interpreted as being influenced by a change in intermediate- to deep-water circulation or by temporal build-up of Antarctic ice sheets. Here we test whether benthic foraminiferal assemblages from a southern high-latitudinal site near Antarctica (ODP Site 690) are influenced by the CMBE. If the d18O transition reflects a change in intermediate- to deep-water circulation from low-latitude to high-latitude water masses, then this change would result in cooler temperatures, higher oxygen concentration, and possibly lower organic-matter flux at the seafloor, resulting in a major benthic foraminiferal assemblage change. If, however, the d18O transition was mainly triggered by ice formation, no considerable compositional difference in benthic foraminiferal assemblages would be expected. Our data show a separation of the studied succession into two parts with distinctly different benthic foraminiferal assemblages. Species dominating the older part (73.0-70.5 Ma) tolerate less bottom water oxygenation and are typical components of low-latitude assemblages. In contrast, the younger part (70.0-68.0 Ma) is characterized by species that indicate well-oxygenated bottom waters and species common in high-latitude assemblages. We interpret the observed change in benthic foraminiferal assemblages toward a well-oxygenated environment to reflect the onset of a shift from low-latitude toward high-latitude dominated intermediate- to deep-water sources. This implies that a change in oceanic circulation was at least a major component of the CMBE.

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Two hundred and seventy five mollusc species from the continental shelf off Southern Spanish Sahara (depth: 32-60 m) were identified. Their distribution pattern is strongly influenced by the nature of the bottom (firm substrate, shelter, stability of sediment) rather than other factors at that depth interval. This faunal assemblage shows great affinity to the Mediterranean and Lusitanian faunas, and comprises only few (22 %) exclusively Senegalese and species living south of Senegal.

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Back Row: Trainer Mike Willie, Assistant coaches Frank Maloney, Jerry Hanlon, George Mans, Tirrel Burton, Gary Moeller, Dick Hunter, Chuck Stobart, Jim Young, Larry Smith, Manager Neil Hiller, Head Trainer Lindsy McLean

5th Row: Tom Ferchau, John Pighee, Greg Ellis, Bob Mogulich, Tony Smith, Tom Poplawski, Mark Duffy, Bill Moran, Bill Haslett, Don Eaton, Carroll Damron, Bob Swan, Coach Bo Schembechler

4th Row: Bill Ross, Gary Coakley, Bob Rosema, Mike Smith, John Cilluffo, Randy Logan, Tom Kee, Bill Hart, Tom Coyle, Jack McBride, Jerry Schumacher, Jim Coode, Bo Rather, John Daniels

3rd Row: Frank Gusich, Bruce Elliott, Butch Carpenter, Tom Beckman, Mike Oldham, Reggie McKenzie, Fritz Seyferth, Dana Coin, Tom Huiskens, Jim Brandstatter, Dave Zuccarelli, Preston Henry, Paul Seymour, Scott Hulke

2nd Row: Greg Harrison, Bill Berutti, Ed Baldwin, Tom Nieman, Lance Scheffler, Jerry Dutcher, Fred Grambau, Tom Darden, Glenn Doughty, Guy Murdock, Mike Keller, Bill Taylor, Mike Taylor, John Wolff

Front Row: Marty Huff, Pete Newell, Ed Moore, Dan Dierdorf, Tim Killian, Jack Harpring, Co-captain Henry Hill, Co-captain Don Moorhead, Paul Staroba, Werner Hall, Dick McCoy, Bill Harris, Phil Seymour, Jim Betts.

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Back Row: Jim Young, Ron Sydlowski, Dave Brandon, John Thomas, Jon Cederberg, Jovan Vercel, Jon Cherry, Lonnie Taylor, Mike Holmes, Howard Staveran, Jim Lyall, Jim Johnston, Chuck Stobart

7th Row: Art Fediuk, Walt Sexton, Kevin Masterson, Bill Moran, Gary Hainrihar, Walt Williamson, Jim Armour, Barry Dotzauer, Don Warner, Larry Johnson

6th Row: Gary Moeller, Larry Gustafson, Harry Banks, Dave Elliott, Tom Drake, Don Coleman, Paul Seal, Greg Koss, Doug Trozak, Clint Haslerig, Craig Mutch, Larry Smith

5th Row: Curtis Tucker, Geoff Steger, Mike Hoban, Mark Duffy, Dave Gallagher, Ed Shuttlesworth, Bob Thornbladh, Al West, Tom Slade, Kevin Casey, George Mans

4th Row: Jerry Hanlon, John Pighee John Middlebrook, Jim Coode, Randy Logan, Gary Coakley, Larry Cipa, Jack McBride, Tom Poplawski, Tony Smith, Alan Walker, manager Chuck Quebbeman

3rd Row: Don Eaton, Bob Rosema, Scott Hulke, Tom Kee, Bill Hart, Jerry Schumacher, Tom Coyle, David (Bo) Rather, Greg Ellis, Clint Spearman

2nd Row: Dick Hunter, Fred Grambau, Reggie McKenzie, Tom Beckman, Fritz Seyferth, Mike Taylor, Alden Carpenter, Jim Brandstatter, Mike Keller, Paul Seymour, coach Bo Schembechler

Front Row: Guy Murdock, Glen Doughty, Tom Darden, Dana Coin, Bill Taylor, Bruce Elliott, Frank Gusich, Mike Oldham, Dave Zuccharelli

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Back Row: Steve King, Ed Pollister, Ed Wojtys, Mike Lantry, Jeff Spahn, Carl Russ, Kurt Kampe, Mark Jacoby, Tom Jenson

8th Row: Rick VanTongeren, Rick Jekel, Glenn Franklin, Lin Hardin, Dennis Franks, Bill Hoban, Roy Burks, Dave Metz, Mark McClain

7th Row: Dave Brown, Dennis Franklin, Gil Chapman, Jeff Perlinger, C.J. Kupec, Greg DenBoer, Steve Strinko, Chuck Heater, Pat Tumpane

6th Row: Norm Long, John Carpenter, Larry Banks, Kevin Masterson, Jim Lyall, Doug McKenzie, Jim Johnston, James Armour, John Thomas

5th Row: Jon Cederberg, Dave Brandon, Mike Day, Art Fediuk,John Cherry, Greg Koss, Don Warner, Ron Szydlowski,

4th Row: Larry Johnson, Walt Sexton, Craig Mutch, Gary Hainrihar, Doug Trozak, Walt Williamson, Don Coleman, Jovan Vercel, Barry Dotzbauer

3rd Row: Dave Elliott, Tom Slade, Harry Banks, Kevin Casey, Mike Hoban, Paul Seal, Dave Gallalgher, Ed Shuttlesworth, Bob Thornbladh, Tom Drake, Larry Gustafson

2nd Row: John Pighee, Jerry Schumacher, Tom Kee, Tom Coyle, Fred Grambau, Paul Seymour, Clint Spearman, Bill Hart, Greg Ellis, Tony Smith, Clint Haslerig

Front Row: Tom Poplawski, Larry Cipa, John Daniels, Don Eaton, Dave Zucarelli, Gary Coakley, Randy Logan, David (Bo) Rather, Alan Walker, Jim Coode

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Mode of access: Internet.

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Mode of access: Internet.

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Mode of access: Internet.

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No. 863 of 1200 copies.

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Mode of access: Internet.

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"Work Performed Under Contract No. AC02-77CH00178."