Zobrazeno 1 - 10
of 680
pro vyhledávání: '"H, Brockmann"'
Publikováno v:
Citizen Science: Theory and Practice, Vol 6, Iss 1 (2021)
We used citizen science to improve understanding of population trends and behavior in the American horseshoe crab ('Limulus polyphemus') along the entire coast of Florida. First, we used 18 years of public sightings data, beginning in 2002, on horses
Externí odkaz:
https://doaj.org/article/a45e395d64234eb69d8c4aff09d7837c
Autor:
D. Topcu, Uwe H. Brockmann
Publikováno v:
Environmental Monitoring and Assessment
International harmonisation of management goals for eutrophication processes in coastal waters, requiring reduction of discharges and depositions of nutrients and organic matter, needs coordinated assessments and measures. This is especially necessar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0aae477da86fb0ee0dd3b67305938b2d
https://doi.org/10.1007/s10661-021-09189-6
https://doi.org/10.1007/s10661-021-09189-6
Publikováno v:
Marine Pollution Bulletin. 136:68-78
The eutrophication status of the German Bight (North Sea) has been assessed the third time since 1998 according to the OSPAR-Comprehensive Procedure between 2006 and 2014. Since the 1980s nutrient discharges and atmospheric nitrogen deposition had de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f494c01a9d8c96a92f9fb1ffb84260ff
https://doi.org/10.1016/j.marpolbul.2018.08.060
https://doi.org/10.1016/j.marpolbul.2018.08.060
Publikováno v:
Citizen Science: Theory and Practice. 6:19
We used citizen science to improve understanding of population trends and behavior in the American horseshoe crab (Limulus polyphemus) along the entire coast of Florida. First, we used 18 years of public sightings data, beginning in 2002, on horsesho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8880791639a0be8f43dd78f70f35fd5e
https://doi.org/10.5334/cstp.385
https://doi.org/10.5334/cstp.385
Autor:
Uwe H. Brockmann, H.D. Topcu
Publikováno v:
Marine Pollution Bulletin. 99:5-27
Seasonal mean oxygen depletion in offshore and coastal North Sea bottom waters was shown to range between 0.9 and 1.8 mg/L, corresponding to 95-83% saturation, between July and October over a 30-year assessment period (1980-2010). The magnitude of ox
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e1f7dadda15d69d5c801cfa9e653780
https://doi.org/10.1016/j.marpolbul.2015.06.021
https://doi.org/10.1016/j.marpolbul.2015.06.021
Autor:
Uwe H. Brockmann, D. Topcu
Publikováno v:
Marine Pollution Bulletin. 82:127-136
Confidence of monitoring data is dependent on their variability and representativeness of sampling in space and time. Whereas variability can be assessed as statistical confidence limits, representative sampling is related to equidistant sampling, co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56bec06daa507933407402c044ba6177
https://doi.org/10.1016/j.marpolbul.2014.03.007
https://doi.org/10.1016/j.marpolbul.2014.03.007
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Publikováno v:
Environmental Monitoring and Assessment. 174:361-388
Natural background concentrations of nutrients are needed for the assessments of eutrophication processes and their status. Natural background concentrations of total nitrogen (TN) and total phosphorus (TP) were modelled for the rivers discharging in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7933f2a9831391ab629249803453a67
https://doi.org/10.1007/s10661-010-1463-y
https://doi.org/10.1007/s10661-010-1463-y
Publikováno v:
Hydrobiologia. 629:49-58
Eutrophication (nutrient enrichment and subsequent processes) and its adverse ecosystem effects have been discussed as main issues over the last 20 years in international conferences and conventions for the protection of the marine environment such a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a06896140d3f5e18dd5b38129a6a1261
https://doi.org/10.1007/s10750-009-9763-3
https://doi.org/10.1007/s10750-009-9763-3
Publikováno v:
Hydrobiologia. 629:91-106
In order to allow for natural variability, the original OSPAR assessment procedure for eutrophication (Comprehensive Procedure) sets the threshold between Non-Problem/Problem Area (elevated levels) at 50% above natural background concentrations, whic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1276317e2a6b6ad51eb0e4693d46a9e
https://doi.org/10.1007/s10750-009-9778-9
https://doi.org/10.1007/s10750-009-9778-9