加拿大芬迪湾Quddy地区Finback（Balaenoptera physalus）、Minke（Balaenootera acutorostrata）和Humpback（Megaptera novaeangliae）鲸鱼的日间水面观察和分布

IF 0.5 4区环境科学与生态学 Q4 BIODIVERSITY CONSERVATION

Northeastern Naturalist Pub Date : 2023-05-30 DOI:10.1656/045.030.0202

Tessa Lachance, Jane Campbell, Stephen D. Turnbull

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引用次数: 0

摘要

摘要-我们在2006年至2012年的商业旅行中，从一艘观鲸船上收集了加拿大芬迪湾Quddy地区的斑尾鲸（Balaenoptera physalus）、尖尾鲸（Minke Whale）和新座头鲸（Megaptera novaeangliae）的分布数据。在物种之间的观察是非随机的，并在研究区域内呈聚集分布：鳍鲸（χ2=2454.03，df=7，P<0.005）、水貂鲸（χ2=3488.24，df=7，P<0.005，布莱克港附近最常看到高浓度的鳍鲸，狼队周围的座头鲸数量最多。鲸鱼的聚集似乎是对环境的物理和生物特征的反应，如深度、底部地形和能够觅食的精细海洋特征。潮汐状态和温度等海洋特征也会影响鲸鱼的分布，因为它们会聚集高浓度的常见猎物。

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Daytime Surface Sightings and the Distribution of Finback (Balaenoptera physalus), Minke (Balaenoptera acutorostrata), and Humpback (Megaptera novaeangliae) Whales in the Quoddy Region of the Bay of Fundy, Canada

Abstract - We collected data on the distribution of Balaenoptera physalus (Finback Whale), Balaenoptera acutorostrata (Minke Whale), and Megaptera novaeangliae (Humpback Whale), in the Quoddy region of the Bay of Fundy, Canada, from a whale-watching vessel during commercial tours from 2006 to 2012. Sightings were non-random between species and showed clumped distributions over the study area: Finback Whales (χ2 = 2454.03, df = 7, P < 0.005), Minke Whales (χ2 = 3488.24, df = 7, P < 0.005), and Humpback Whales (χ2 = 301.784, df = 7, P < 0.005). Minke Whales were most frequently sighted in Head Harbour Passage, high concentrations of Finback Whales were most frequently sighted off Blacks Harbour, and Humpback Whale sightings were highest around The Wolves. It appears that the whales aggregate in response to physical and biological features of the environment, such as depth, bottom topography, and fine-scale oceanographic features that enable foraging. Oceanographic features such as tidal state and temperature also influence the distribution of whales by aggregating their common prey species in high concentrations.

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来源期刊

Northeastern Naturalist 环境科学-生态学

CiteScore

1.10

自引率

0.00%

发文量

审稿时长

18-36 weeks

期刊介绍： The Northeastern Naturalist covers all aspects of the natural history sciences of terrestrial, freshwater, and marine organisms and the environments of the northeastern portion of North America, roughly bounded from Virginia to Missouri, north to Minnesota and Nunavut, east to Newfoundland, and south back to Virginia. Manuscripts based on field studies outside of this region that provide information on species within this region may be considered at the Editor’s discretion. The journal welcomes manuscripts based on observations and research focused on the biology of terrestrial, freshwater, and marine organisms and communities as it relates to their life histories and their function within, use of, and adaptation to the environment and the habitats in which they are found, as well as on the ecology and conservation of species and habitats. Such studies may encompass measurements, surveys, and/or experiments in the field, under lab conditions, or utilizing museum and herbarium specimens. Subject areas include, but are not limited to, anatomy, behavior, biogeography, biology, conservation, evolution, ecology, genetics, parasitology, physiology, population biology, and taxonomy. Strict lab, modeling, and simulation studies on natural history aspects of the region, without any field component, will be considered for publication as long as the research has direct and clear significance to field naturalists and the manuscript discusses these implications.