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  • Definitions of coastal terms
    ...buildings and works, the deposit of waste or other material from outfalls, vessels or by other means, the removal of sand, sea shells, natural vegetation, sea Total area drained by a stream and its tributaries.
    79 KB (11,862 words) - 21:40, 1 April 2024
  • Waves
    ...er water (shoaling), their celerity and [[wavelength]] decrease and as the total energy flux should remain constant (according to linear theory and neglecti ...is especially important in connection with the mooring conditions of large vessels, as their resonance period for the so-called surge motion is often close to
    20 KB (2,992 words) - 16:09, 14 February 2024
  • Piers and trestles
    ...he sea. Piers and trestles are constructed to serve as a landing place for vessels, as a recreation facility, as a measuring facility for coastal processes or ...1 Longest wooden pier in Europe (Sopot, Poland) - 450m from bank, 650m in total]]
    1 KB (217 words) - 16:37, 5 July 2020
  • Waves and currents by X-band radar
    ...ally dependent on the prevailing sea state. To enhance the safety of crew, vessels, buildings and environment, reliable sea state measurements are required. I ...ored continuously. These remote sensing systems can be installed on moving vessels as well as on fixed platforms or at coastal sites. For wave measurements, t
    12 KB (1,894 words) - 11:32, 25 January 2024
  • Environmental risk assessment of marine activities
    ...[[ecosystems|ecosystem]] in the economic impacts assessment, extinction or total catch in ecological risk assessment. ...y band is multiplied by the appropriate casualty probability producing the total number of the population predicted to be affected by each event. When combi
    36 KB (5,430 words) - 20:20, 18 September 2023
  • Case study risk analysis of marine activities in the Belgian part of the North Sea
    ...ntensely used marine area with several associated environmental risks. The total sea area of the BPNS is estimated at 3.600 km<sup>2</sup>. Although it is o ...nd the Zeebrugge port (Scheur). The remaining routes are sailed by coastal vessels and ferries. The BPNS includes one anchorage area, located at the Westhinde
    17 KB (2,600 words) - 21:25, 31 July 2019
  • North Sea pollution from shipping: legal framework
    ...uipped with segregated or dedicated ballast tanks. All ships (also fishing vessels) can be potential dischargers of oil residues and/or oil contaminated resid ...Erika, Prestige, etc.) contribute a comparatively small percentage of the total oil volume entering the sea each year (depending of the number of accidents
    52 KB (7,826 words) - 12:32, 12 July 2020
  • Impacts originating from the tourism sector
    ..., due to the constant maintenance and repairs that infrastructures and all vessels require. Other relevant sectors depending on the individual situation and c # Total impact almost replicates the initial effect, which implies significant repe
    24 KB (3,485 words) - 17:12, 10 July 2020
  • Mangroves
    ...Megonigal, J.P., Murdiyarso, D., Simpson, L. and Hernandez Trejo, H. 2020. Total ecosystem carbon stocks of mangroves across broad global environmental and ...pecies invasions|alien species]] by [[ballast water]] or from the hulls of vessels will also have negative effects on the mangrove [[habitats]]. These species
    42 KB (6,310 words) - 17:09, 21 April 2024
  • The tragedy of the commons: Is the Newfoundland's cod crisis a good example?
    ...re fishermen, Canadian draggers and trawlers, and deep-sea foreign fishing vessels. ...of vessels, and, acting upon information from its own scientists, set the Total Allowable Catch (TAC) for the industry each year<ref>McGraw, D. (1996). Cou
    9 KB (1,443 words) - 13:57, 27 December 2020
  • Coastal Erosion along the Changjiang Deltaic Shoreline
    During the past decade, the total length of [[shoreline]] under erosion became longer than the accreting sect ...on of 281–337 million tons of suspended sediment supply, 60–70% of the total annual sediment discharge from the catchment, to the estuarine–coastal sy
    15 KB (2,371 words) - 17:56, 2 January 2021
  • Acoustic kelp bed mapping in shallow rocky coasts - case study Helgoland (North Sea)
    ...no stereo transducer system (28 and 200 kHz) mounted on board the research vessels (Fig. 2). Both echosounder signals are recorded synchronously. In order to ...nd. This area covers 1.4 km²; total length of transects is about 30 km. A total of 28 lines were measured perpendicular to the extension of the kelp-inhabi
    12 KB (1,843 words) - 23:06, 16 October 2021
  • Impact of tourism in coastal areas: Need of sustainable tourism strategy
    .../ref>. From the 1980s to 2018, the global cruise fleet grew from 79 to 369 vessels operating worldwide, and the average cruise ship size and capacity grew fro ...ortunities. Employing over 3.2 million people, coastal tourism generates a total of € 183 billion in gross value added and represents over one third of th
    26 KB (3,689 words) - 17:28, 5 May 2023
  • Number of marine species
    ...ocean? PloS Biol. 9 (8), e1001127</ref>). Projections of the magnitude of total biodiversity (terrestrial and marine) of the planet range from 9 to 390 mil ...ss to the deep sea has been possible for 150 years from specially equipped vessels, but the discovery and exploration of vent ecosystems only started 50 years
    7 KB (963 words) - 11:01, 29 February 2024
  • Marine Plankton
    ...flagellate protists (dinoflagellates, raphidophytes) and cyanobacteria. In total, it consists of about 5000 extant species as a whole. [[Photosynthesis]] is ...r number of observations than would be achievable using dedicated research vessels alone. The CPR survey, which now spans 75 years, has revolutionized our und
    34 KB (5,059 words) - 17:27, 25 April 2024
  • TBT and Imposex
    ...stal zones. Though the use of TBT has been forbidden in many countries for vessels smaller than 25 m, the contamination levels are still a concern, particular ====The Problem of Fouling in Vessels====
    13 KB (1,911 words) - 16:42, 1 September 2020
  • Dynamics and structure of the water and matter ex-change between the Wadden Sea and the German Bight
    ...fluxes in the tidal channel. These campaigns with the GKSS-owned research vessels “Ludwig Prandtl” and “Storch” are carried out every year in order t ...er level measured at the pole station we calculate for every time step the total water content of the backbarrier area (for this purpose, the system’s top
    13 KB (2,006 words) - 14:59, 2 July 2023
  • Aegean Islands
    ...islands from which 24 are not inhabited. The island area is 2572 km². The total population since the last census is 112,615 citizens. The population densit ...her sectors benefit too such as fisheries (for example harbours to protect vessels, increased transportation of fishery products to mainland for better prices
    4 KB (599 words) - 15:36, 13 March 2013
  • Ecosystem Approach to the South African hake fishery
    ...f Cape hake stocks off Namibia attracted a growing number of distant-water vessels to the southeast Atlantic, leading to a rapid escalation in the annual land ...oxus.html Deep-water Cape hake] (''M. paradoxus'') depletion, an interim [[total allowable catch]] phase-down process was adopted in November 2005. Since 20
    10 KB (1,372 words) - 14:45, 7 November 2013
  • Ecosystem Approach to the South African West Coast lobster fishery
    ...without artificial breathing apparatus or by hoopnets from shore or small vessels. The fishery is currently valued in excess of €32.5 million per annum and ...shery is subdivided into different areas that are managed by an annual [[Total Allowable Catch (TAC)]] set using an operational management procedure, mini
    11 KB (1,513 words) - 16:51, 26 December 2020

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