Catalogus

Zoeken

Zoeken kan via de modus 'eenvoudig zoeken' (één veld) of uitgebreid via 'geavanceerd zoeken' (meerdere velden). Zo kan je bv. zoeken op een combinatie van een auteursnaam (auteur), een jaartal (jaar) en een documenttype.

Boekenmand

Nuttige resultaten kan je aanvinken en toevoegen aan een mandje. De inhoud hiervan kan je exporteren of afdrukken (naar bv. PDF).

RSS

Op de hoogte blijven van nieuw toegevoegde publicaties binnen uw interessegebied? Dit kan door een RSS-feed (?) te maken van jouw zoekopdracht.

log in

Publicaties | Kaarten

nieuwe zoekopdracht

[ meld een fout in dit record ]

mandje (0): toevoegen | toon

---

Diurnal and tidal movements of snapper (Pagrus auratus, Sparidae) in an estuarine environment Hartill, B.W.; Morrison, M.A.; Smith, M.D.; Boubée, J.; Parsons, D.M. (2003). Diurnal and tidal movements of snapper (Pagrus auratus, Sparidae) in an estuarine environment. Mar. Freshw. Res. 54(8): 931-940. http://dx.doi.org/10.1071/MF02095 In: Marine and Freshwater Research. CSIRO: East Melbourne. ISSN 1323-1650; e-ISSN 1448-6059, meer

---

Beschikbaar in	Auteurs
VLIZ: Non-open access 214634 [ aanvragen ]

---

Trefwoorden

Analysis > Mathematical analysis > Numerical analysis > Functional analysis > Fourier transforms Fauna > Aquatic organisms > Aquatic animals > Fish > Estuarine organisms > Brackishwater fish Habitat selection Local movements Measurement > Telemetry > Biotelemetry Motion > Water motion > Water currents > Tidal currents PSE, New Zealand, North I. Substrate preferences Tagging Temporal variations > Periodic variations > Diurnal variations Water bodies > Coastal waters > Coastal landforms > Coastal inlets > Estuaries Sparus aurata Linnaeus, 1758 [WoRMS]; Sparidae Rafinesque, 1818 [WoRMS] North Island [Marine Regions] Brak water

Author keywords

acoustic tracking; behaviour; Fourier analysis; Mahurangi Harbour; NewZealand

---

Auteurs		Top
Hartill, B.W. Morrison, M.A. Smith, M.D.	Boubée, J. Parsons, D.M.

---

Abstract

Using individually coded acoustic transponders and an array of 15 moored receivers (detection range ~300 m), the temporal and spatial movements of the temperate snapper Pagrus auratus (Sparidae) were studied within an estuary. Of the 28 fish initially tagged, 20 were subsequently detected within the study area for up to 70 days. The spatial scale of daily movements was in the order of hundreds of metres for most fish, suggesting relatively restricted home ranges over the period monitored (November–January). The detectability of fish remaining in the estuary was lower at night, probably because of fish moving out of the main channel and onto surrounding shallow banks during darkness. Temporal movement patterns detected using spectral analyses (Fast Fourier Transforms) were predominantly diurnal, with subordinate tidal behaviour also evident in some fish. These results demonstrate that in this system, snapper occupy relatively small (hundreds of metres) and discrete areas of soft sediment seafloor, within which repeated, predictable movements are made. Variability among fish has highlighted the need for a better understanding of the relationship between fish behaviour and fine-scale habitat features (metres).

---

Alle informatie in het Integrated Marine Information System (IMIS) valt onder het VLIZ Privacy beleid

Top | Auteurs