Results 101 to 110 of about 8,612 (213)
Diet and heavy metal uptake by two top predator species in the Tees Estuary [PDF]
, 2006 The key aim of the thesis was to estimate metal uptake and its seasonal variation from the diet by two predators from the Tees Estuary, harbour seals, Phoca vitulina and cormorants, Phalacrocorax carbo.
Smurthwaite, Rebecca
core
, 1993 Phoca hispida Schreber, 1775. Die Säugethiere, 2(13):pl. 86 (1775]; text, 3(17):312[1776]. TYPE LOCALITY: "Man fängt ihn auf den Küsten von Grönland und Labrader".
W. Christopher Wozencraft
core +1 more source
野生动物学报, 1986 海豹 （Phoca vitulina） 是栖息于海洋中寒带喜冰类型的哺乳动物,它具有喜冷怕热的特点,在淡水饲养条件下,繁殖成活较为罕见。现将我园的海豹饲养繁殖情况报告如下。海豹来源 2头公海豹、1头母海豹均系1979年3月自旅大沿海地区瓦房店引入。入园当时,2头公海豹均为出生不久的小海豹。
王振中, 周智理
doaj
Hierarchical Dual-Model Detection Framework for Spotted Seals Using Deep Learning on UAVs
AnimalsThis study introduces a hierarchical dual-model detection framework for accurately monitoring spotted seals (Phoca largha) in the Liaohe River estuary by using deep learning on Unmanned Aerial Vehicles (UAVs).
Jun Liu +5 more
doaj +1 more source
, 2005 Phoca largha Pallas 1811 Phoca largha Pallas 1811, Zoographia Rosso-Asiatica, Vol. 1: 113. Type Locality: "quam quod observetur tantum ad orientale littus Camtschatcae" [Eastern coast of Kamchatka, Russia (Shaughnessy and Fay, 1977)]. Vernacular Names: Spotted Seal. Synonyms: Phoca chorisii Lesson 1828; Phoca macrodens J. A.
Wilson, Don E., Reeder, DeeAnn
openaire +2 more sources
, 1993 Phoca largha Pallas, 1811. Zoogr. Rosso-Asiat., 1:113. TYPE LOCALITY: "quam quod observetur tantum ad orientale littus Camtschatcae", Shaughnessy and Fay (1977) listed as "Eastern coast of Kamchatka " [Russia]. DISTRIBUTION: Associated with pack ice in coastal N Pacific, Bering and Okhotsk Seas, Aleutian Isis; south to Kiangsu (China) and Japan ...
openaire +2 more sources
The ringed seal (Phoca fœtida)
Annals and Magazine of Natural History(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire +3 more sources
The diet and feeding ecology of harbour seals around Britain [PDF]
, 2015 Since 2000, there has been a marked decline in the number of harbour seals in some regions around Britain; one possible contributing cause is competition for prey with sympatric grey seals.
Wilson, Lindsay J.
core
Phoca groenlandica Erxleben 1777
, 1993 {"references": ["Pallas, P. S. 1811 [1831]. Zoographia Rosso-Asiatica, sistens omnium Animalium in extenso Imperio Rossico et adjacentibus maribus observatorum recensionem, domicillia, mores et descriptiones, anatomen atque icones plurimorum. [ICZN Opinion 212 -- dates of volumes: 1 & 2: 1811; 3: 1814]. Petropoli, in officina Caes.
openaire +2 more sources
, 1993 Phoca caspica Gmelin, 1788. In Linnaeus, Syst. Nat., 13th ed., 1:64. TYPE LOCALITY: "in mari, praesertim septentrionali, etiam Pacifico et Caspico" [Caspian Sea). DISTRIBUTION: Caspian Sea. COMMENTS: Placed in Pusa Scopoli, 1777, followed by Scheffer (1958).
openaire +2 more sources