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  • Journals
  • Other Sources  (9)
  • American Association for the Advancement of Science (AAAS)
  • American Chemical Society (ACS)
  • Springer Science + Business Media
  • de Gruyter
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  • 1990-1994  (9)
  • 1
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    de Gruyter
    In:  Botanica Marina, 37 . pp. 471-477.
    Publication Date: 2018-06-15
    Description: Fucus evanescens is recorded for the first time in Kiel Bight (western Baltic). It is now common at several sites in the lower zone of F. vesiculosus. Its arrival to the area and especially its increase in abundance seem to be recent. Epiphyte load in late spring was significantly higher on F. vesiculosus (20%) than on F. evanescens (5%). The immigration of F. evanescens from Danish waters may be connected to the decline in abundance of F. vesiculosus and F. serratus in the western Baltic.
    Type: Article , PeerReviewed
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  • 2
    Publication Date: 2018-06-15
    Type: Article , PeerReviewed
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  • 3
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 266 (5185). pp. 634-637.
    Publication Date: 2016-09-09
    Description: The cause of decadal climate variability over the North Pacific Ocean and North America is investigated by the analysis of data from a multidecadal integration with a state-of-the-art coupled ocean-atmosphere model and observations. About one-third of the low-frequency climate variability in the region of interest can be attributed to a cycle involving unstable air-sea interactions between the subtropical gyre circulation in the North Pacific and the Aleutian low-pressure system. The existence of this cycle provides a basis for long-range climate forecasting over the western United States at decadal time scales.
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  • 4
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    de Gruyter
    In:  Pure and applied chemistry, 56 (10/11). pp. 1983-1990.
    Publication Date: 2020-06-04
    Description: From both ecological and biomedical viewpoints, it has become important to know whether the metabolites isolated from sponges are produced by symbiotic micro-organisms. Certain halogenated metabolites from Dysidea herbacea are localized in the symbiotic cyanobacterium Oscillatoria spongeliae. Recent studies concerning the origin of bioactive metabolites from lithistid sponges, some of which contain filamentous micro-organisms, are presented.
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  • 5
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 261 (5124). pp. 1026-1029.
    Publication Date: 2016-09-09
    Description: Long-range global climate forecasts were made by use of a model for predicting a tropical Pacific sea-surface temperature (SST) in tandem with an atmospheric general circulation model. The SST is predicted first at long lead times into the future. These ocean forecasts are then used to force the atmospheric model and so produce climate forecasts at lead times of the SST forecasts. Prediction of seven large climatic events of the 1970s to 1990s by this technique are in good agreement with observations over many regions of the globe.
    Type: Article , PeerReviewed
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  • 6
    Publication Date: 2018-03-19
    Description: Canopy regeneration by vegetative regrowth from damaged holdfasts has been examined in two species of rockweed, Fucus vesicu/osus and Fucus evanescens. About 20- 30% of experimentally damaged holdfasts sprouted large numbers of adventitious shoots, even when the basal tissue had been cut to less than 2 mm thickness. Vegetative regrowth was observed from minute amounts of holdfast tissue. This vegetative sprouting appears more important in the F vesiculosus zone than in the F evanescens zone. Comparison of Fucus growth in plots with sterilized or damaged holdfasts provided estimates of the relative importance of recruitment and vegetative regrowth to canopy recovery. We consider that vegetative regrowth from basal tissues may make variable but important contributions to succession in this community, and to the persistence of rockweed populations. We argue that the possibility of vegetative regrowth must be considered in interpreting successional patterns, particularly those which followed a recent, severe ice-scour of exposed seashores near Halifax, Nova Scotia.
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  • 7
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 257 (5070). pp. 644-647.
    Publication Date: 2019-03-13
    Description: Seasonal records of tropical sea-surface temperature (SST) over the past 10(5) years can be recovered from high-precision measurements of coral strontium/calcium ratios with the use of thermal ionization mass spectrometry. The temperature dependence of these ratios was calibrated with corals collected at SST recording stations and by (18)O/(16)O thermometry. The results suggest that mean monthly SST may be determined with an apparent accuracy of better than 0.5 degrees C. Measurements on a fossil coral indicate that 10,200 years ago mean annual SSTs near Vanuatu in the southwestern Pacific Ocean were about 5 degrees C colder than today and that seasonal variations in SST were larger. These data suggest that tropical climate zones were compressed toward the equator during deglaciation.
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  • 8
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 247 (4939). pp. 198-201.
    Publication Date: 2017-01-04
    Description: A mechanism exists whereby global greenhouse warning could, by intensifying the alongshore wind stress on the ocean surface, lead to acceleration of coastal upwelling. Evidence from several different regions suggests that the major coastal upwelling systems of the world have been growing in upwelling intensity as greenhouse gases have accumulated in the earth's atmosphere. Thus the cool foggy summer conditions that typify the coastlands of northern California and other similar upwelling regions might, under global warming, become even more pronounced. Effects of enhanced upwelling on the marine ecosystem are uncertain but potentially dramatic.
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  • 9
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    American Association for the Advancement of Science (AAAS)
    In:  Science, 248 . pp. 898-899.
    Publication Date: 2017-02-15
    Type: Article , PeerReviewed
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