Deutsches Ozeanographisches
Datenzentrum Inventur der Heincke-Reise HE505 (DOD-Ref-No.20180055)
Inventory of Heincke Cruise HE505 (DOD-Ref-No.20180055)

Plattform
Platform
Reise-Nr.
Cruise-No.
Zeitraum
Period
Projekt
Project
Arbeitsgebiet
Working area
Heincke HE505 13.03.2018 - 26.03.2018   North Sea  

Fahrtleiter
Chief Scientist
Institut
Institute
Auslaufhafen
Port of departure
Einlaufhafen
Port of return
Stationskarte
Station map
Schiffsroute
Trackchart
Papenmeier Svenja AWI - Wadden Sea Research Station Bremerhaven Bremerhaven   

Ziel der Reise / Objectives of Cruise:

Better measurements for nature protection and sustainable management require 1) better predictions of ecosystem evolution and 2) precise descriptions of spatial patterns of the benthic fauna. This means that our information need to be closer to nature, i.e. scale independent, including gradients but excluding predesigned classes. The project BioGeoKopplung investigates the small-scale (within 100 m) spatial variability of benthic fauna in relation to sediment heterogeneity. In this context geological and biological data were acquired. The cruise was divided in 2 legs: A): Mapping the sediment distribution in high resolution (0.25 m) using sidescan sonar to provide crucial information for B): Sampling of soft-bottom in- and epifauna, as well as demersal fish fauna using van Veen grab sampler, beam trawl and otter trawl, respectively. Additionally, data for the hydroacoustic (Hydro 1-5) and ecological (LTER) long-term research were collected. Heavy sea conditions were responsible that one third of the hydroacoustic data were not acquired. Defining the biological sampling stations directly on the recent hydroacoustic backscatter data was very successful. Substrates of different heterogeneity level were ecologically sampled. First observations show that the small scale variability in grain size affects the benthic communities.

Messungen / Measurements

Institut
Institute
Wissenschaftler
Scientist
Anzahl
Number
Einheit
Unit
Typ der Messungen
Type of measurements
Kommentar
Comments
Daten im DOD
Data in DOD
AWI Dannheim Jennifer 24 stations B18
Zoobenthos
. no
AWILI Papenmeier Svenja 26 stations G02
Grab
. no
AWILI Papenmeier Svenja 26 stations G08
Bottom photography
. no
AWILI Papenmeier Svenja 79 tracks G73
Single-beam echosounding
RoxAnn AGDS. no
AWILI Papenmeier Svenja 79 tracks G73
Single-beam echosounding
Sedimentechosounder. no
AWILI Papenmeier Svenja 79 tracks G73
Single-beam echosounding
Sidescan sonar. no
AWILI Papenmeier Svenja 79 tracks G74
Multi-beam echosounding
. no
21.9.2019