Large benthic foraminifera from the deep photic zone of a mixed siliciclastic-carbonate shelf off East Kalimantan,Indonesia |
| |
| Affiliation: | 1. Department of Earth Sciences, University of New Hampshire, 56 College Rd., Durham, NH 03824, USA;2. Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA, USA;3. Office of Research and Development, National Energy Technology Laboratory, Albany, OR, USA;1. Geosciences Department, Williams College, 947 Main Street, Williamstown, MA 01267, USA;2. Ocean Sciences Department, University of California, 1156 High Street, Santa Cruz, CA 95064, USA;3. College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, USA;4. e4 Sciences, 27 Glen Road, Sandy Hook, CT 06482, USA;5. School for Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, USA;1. Ifremer, Laboratoire Environnements Sédimentaires, Centre de Brest, Technopôle de Brest-Iroise, BP 70, F-29280 Plouzané, France;2. Université de Bordeaux, CNRS, Environnements et Paléo-environnements Océaniques et Continentaux, UMR 5805, F-33600 Pessac, France;3. Ifremer, Laboratoire Environnements Profonds, Centre de Brest, Technopôle de Brest-Iroise, BP 70, F-29280 Plouzané, France;4. Ifremer, Service Cartographie, Traitement de Données et Instrumentation, Centre de Brest, Technopôle de Brest-Iroise, BP 70, F-29280 Plouzané, France;5. FORAM, F-29200 Brest, France;1. Center for Marine Research Rovinj, Ruder Bosković Institute, Giordano Paliaga 5, 52 210 Rovinj, Croatia;2. Department of Geology, Faculty of Science, University of Zagreb, Horvatovac 102a, 10 000 Zagreb, Croatia;3. Department of Geology, Faculty of Natural Sciences and Engineering, University of Ljubljana, Aškerčeva 12, 1000 Ljubljana, Slovenia;1. Department of Genetics and Evolution, University of Geneva, Switzerland;2. IRCAM, UMR 9912, Université Pierre et Marie Curie, Paris, France;1. National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment, Panepistimiopolis, 15784 Athens, Greece;2. Aristotle University of Thessaloniki, Department of Geology, Thessaloníki, Greece |
| |
| Abstract: | Living large benthic foraminifera (LBF) were analyzed from three transects of boxcores taken on a shelf off the coast of East Kalimantan, just north of the Mankalihat Peninsula. The transects were located at different distances to the mouth of the Berau river. In 45 boxcores, of which 28 contained living LBF, 20 species were recognised. They occurred in moderate to high density outside the pro-delta, i.e., outside the area with high clay and silt sedimentation. LBF characteristic of sandy substrates can be divided into two or possibly three assemblages, shallow (15–50 m), deep (50–85 m) and possibly very deep (> 85 m). The latter is poorly developed in the study area. Few LBF were recorded in one of the three transects, possibly because of either sediment instability or physical or chemical parameters of the sediment. Grain-size analysis of samples in the other transects indicates that LBF occurrence strongly modify the habitat. After colonisation, grain-size increases, creating more opportunities for other species and higher densities of LBF. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
