compressa Dana and Fungia scutaria Lamarck were measured under
controlled temperatures. Results indicate that coral metabolism is
closely adapted to ambient temperature conditions. Tropical corals
measured at Enewetak,
Marshall
Islands,
showed greater primary
production compared to maintenance requirements at elevated
temperatures than did subtropical varieties of the same species in
Hawaii. Photosynthesis:respiration (P:R) ratios were significantly and
negatively related with temperature between 18/sup 0/ and 31/sup 0/C
for all Hawaiian corals, whereas at Enewetak this ratio generally
showed a curvilinear relationship for this temperature range.
‘
Extrapolations of P:R regressions on temperatures to a value of 2.0
(estimated as a minimum required for long-term functional autotrophy)
coincide for Hawaiian specimens with published upper lethal
temperatures. Extrapolation of P:R regressions for Enewetak specimens
at temperatures above 25/sup 0/C suggests lethal temperatures for these
corals to be 2 to 5 C/sup 0O/ higher than for Hawaiian corals, in good
agreement with recent experimental findings. Interspecific differences
in P:R temperature regressions for Hawaiian corals corelating with
upper lethal temperature tolerances are described.;
Major Descriptors:
*CORALS -- TEMPERATURE EFFECTS
Descriptors: AMBIENT TEMPERATURE; ENIWETOK; HAWAII; MARSHALL ISLANDS;
METABOLISM; MORTALITY; PHOTOSYNTHESIS; PRODUCTIVITY; RESPIRATION
Broader Terms: ANIMALS; CHEMICAL REACTIONS; CNIDARIA; INVERTEBRATES;
ISLANDS; MARSHALL ISLANDS; NORTH AMERICA; PHOTOCHEMICAL REACTIONS;
SYNTHESIS; USA; WESTERN REGION
Subject Categories:
560204*
-- Thermal Effects ~- Invertebrates --
(-1987)
10/5/955
(Item 655 from file: 103)
00381228
ERA-03-037941; EDB-78-075631
Title: Solar occultation measurements of the water vapor mixing ratio in
the stratosphere and mesosphere from the Salyut-4 orbital station
Author(s): Kondratev, K.Ya.;
Buznikov, A.A.;
Grechko, G.M.;
Gubarev,
A.A.;
Pokrovsky,
A.G.
Affiliation: Univ. of Leningrad
Title: Proceedings of the tenth international symposium on remote sensing
of environment
Conference Title: 10. international symposium on remote sensing of
environment
Conference Location: Ann Arbor, MI, USA
Conference Date: 6 Oct 1975
Publication Date: 1975
Pp 327-332
Report Number(s):
CONF-7510172-P1
Document Type: Analytic of a Report; Conference literature
Language: English
Journal Announcement: EDB7807
Subfile:
ERA
Center).
(Energy
Country of Origin:
Research
Abstracts);
USSR
Country of Publication: United States
TIC
(Technical
Information
-
Abstract: The results of solar occultation measurements of the water vapor
mixing ratio in the stratosphere and mesosphere performed in January,
1975 over Marshall Islands with the spectrometer installed on the
"’Salyut-4'’ orbital station are discussed. The solar occultation
measurements were performed at sunrise. An IR spectrometer with the
channel range of 3800 to 3825 cm/sup -1/ and spectral resolution of 0.8-©
em/sup -1/ was used. The results obtained revealed the presence of a
‘'dary’’ stratosphere with the mixing ratio of about 10/sup -6/ over
Marshall Islands at the time of the experiment.;
Major Descriptors: *MESOSPHERE -- WATER VAPOR; *STRATOSPHERE -- WATER VAPOR@
; *WATER VAPOR -- MONITORING
Descriptors: MARSHALL ISLANDS; MIXING; SPECTROMETERS; SUN
Broader Terms: EARTH ATMOSPHERE; FLUIDS; GASES; ISLANDS; MEASURING
INSTRUMENTS; STARS; VAPORS
Subject Categories:
-~- (-1989)
10/5/956
500100*
-- Environment, Atmospheric -- Basic Studies
(Item 656 from file:
103)