The distribution and ecology of benthic Foraminifera and associated meiofauna in the Northeast Water Polynya, Greenland /

28 and 47 % of the abundance and biomass respectively of the

Bibliographic Details
Main Author: Newton, Adrian Charles, 1970-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:28 and 47 % of the abundance and biomass respectively of the
Abundance of living calcareous Foraminifera and associated
abundances being common below rather than at the sediment
all cores, but their greatest densities were generally
benthic calcareous Foraminifera are more important in Arctic
between May 30th (387 Ind. 100 CM-2) and July 24th (734 Ind.
biofacies has previously been associated with high densities
confined to surface sediments. This study suggests that
containing "pigments," were encountered at specific, fairly
diversity was low, being dominated by a few calcareous forms:
dominant calcareous species to depths as great as 6 cm within
ecosystems than at lower latitudes because of their ability
Elphidium excavatum, Melonis barleeanum, Nonionella
in open water shelf regions of the Arctic. Green and brown
labradorica and Islandiella spp.. Low diversity in foram
loo CM-2), supporting the idea that Foraminifera respond
material, which we suspect were freshly settled
meiofauna have been estimated from the Northeast Water
meiofaunal size class. Their densities nearly doubled
narrow depth ranges within the sediment, with maximum
ostracods) were encountered to depths as great as 10 cm in
phytodetritus, were found in numerous individuals of the
Polynya. Calcareous forams (] 150 gm) represented on average
rapidly to seasonal or pulsed food inputs. Foraminiferal
surface. Other meiofauna (nematodes, agglutinated forams and
than their potential heterotrophic competitors.
the sediment. These dominant foram species, including those
to utilize pulses of sedimented organic matter more rapidly
Item Description:"Major subject: Oceanography".
Vita.
Physical Description:xii, 109 leaves : illustrations, maps ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.