667 resultados para Hermit crabs


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v. 1. Demetria. Hadad. Percy's masque.--v. 2. The judgement. Sachem's-wood. Discourses: I. On the choice of an era in epic and tragic writing. II. On the relations of literature to a republican government. III. On the life and services of Lafayette. The hermit of Warkworth, by Bishop Percy.

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Integral publisher's ads [3] p. at end.

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"Tale V. Theodore, or, The effects of display. Tale VI. The wet Saturday, or, The naturalists.-In 3 parts.-Part 1.-Beasts -- Part 2. The naturalists.-Birds. Part 3.-The naturalists.-Fishes" -- v.2.

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The traveller, The deserted village and The hermit also have special engr. t.p.

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v. 1 The Spanish tragedy. The miracle of the holy hermit. The widow of Galicia. The golden cup and the dish of silver. The tragedy of Seville. The lady in love with romance. The eighth sleeper of Ephesus. Madeline. Masetto and his mare. The story of Michel Argenti. The three jewels. Geronimo and Ghisola. The fall of the leaf. Baranga.--v. 2 The exile. The owl. The German knight. The Florentine kinsmen. The carrier's wife. The two faithful lovers of Sicily. The Venetan countess. A tale of the harem. The chestnut tree. The fair maid of Ludgate. The three brothers.

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Introductory remarks.--The traveller.--The deserted village.--The hermit.

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"Narratio brevis rervm à Societate in regno magni Mogor gestarum, transcripta ex literis p. Hieronymi Xavier Societatis Iesv, anni 1598. & p. Emmanyelis Pigneiro, anni 1598.": p. 122-144.

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Each vol. has general half-title and special t.p.

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Aphrodite, the kittiwake.--Margot, the crow shrike.--"Petey.--Two gentleman of France--Julius Caesar; an appreciation.--A hermit crab of the Great Kills.--Silas Wegg.--the wife of Caesar, the adjutant.--"Bubbles." Madame Cistudo.--Lena Patéa.--The passing of Maud Mulvaney.

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"The following essays were written in...1813, and the greater part of them were soon afterwards published in the Port folio under the title of Thoughts of a hermit."--Pref.

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Remote measurement of the physiology, behaviour and energetic status of free-living animals is made possible by a variety of techniques that we refer to collectively as 'biotelemetry'. This set of tools ranges from transmitters that send their signals to receivers up to a few kilometers away to those that send data to orbiting satellites and, more frequently, to devices that log data. They enable researchers to document, for long uninterrupted periods, how undisturbed organisms interact with each other and their environment in real time. In spite of advances enabling the monitoring of many physiological and behavioural variables across a range of taxa of various sizes, these devices have yet to be embraced widely by the ecological community. Our review suggests that this technology has immense potential for research in basic and applied animal ecology. Efforts to incorporate biotelemetry into broader ecological research programs should yield novel information that has been challenging to collect historically from free-ranging animals in their natural environments. Examples of research that would benefit from biotelemetry include the assessment of animal responses to different anthropogenic perturbations and the development of life-time energy budgets.

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The impact of sex-biased fishing and marine reserve protection on the mud crab Scylla serrata was examined by comparing the catch rates (catch-per-unit-effort, CPUE), mean size, sex ratios and movement of crabs in 2 coastal marine reserves (1.9 and 5.7 km(2)) and 4 fished non-reserve sites in subtropical Australia. Five years after closure, both marine reserves supported higher catch rates and a larger mean size of S. serrata than non-reserve sites. Males dominated catches of S. serrata in both marine reserves, where CPUE was at least twice as high within the reserves compared to non-reserve sites. Male crabs were also 10% larger in the reserves compared to adjacent fished areas, and of the total male catch, over 70% were equal to or greater than legal size compared to less than 50% outside the reserves. The sex ratio of S. serrata was skewed towards females in all nonreserve sites, which was most likely a result of the ban on taking female S. serrata in Moreton Bay. As only male crabs of >= 15 cm CW made up the S. serrata fishery in Moreton Bay, sex ratios of mature male and female crabs were examined, revealing a strong skew (2:1) towards mature males in both marine reserves. Of the 472 S. serrata captured in this study, 338 were tagged in the reserves in order to document movement of the crabs between the reserve and non-reserve sites. Of the 37 recaptured crabs, 73% were recorded inside the reserves, with some spillover (i.e. cross-boundary movement) of crabs recorded in fished areas. This study demonstrates the effectiveness of small (< 6 km(2)) marine reserves for sex-biased exploited fisheries species.

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The paradigm that mangroves are critical for sustaining production in coastal fisheries is widely accepted, but empirical evidence has been tenuous. This study showed that links between mangrove extent and coastal fisheries production could be detected for some species at a broad regional scale (1000s of kilometres) on the east coast of Queensland, Australia. The relationships between catch-per-unit-effort for different commercially caught species in four fisheries (trawl, line, net and pot fisheries) and mangrove characteristics, estimated from Landsat images were examined using multiple regression analyses. The species were categorised into three groups based on information on their life history characteristics, namely mangrove-related species (banana prawns Penaeus merguiensis, mud crabs Scylla serrata and barramundi Lates calcarifer), estuarine species (tiger prawns Penaeus esculentus and Penaeus semisulcatus, blue swimmer crabs Portunus pelagicus and blue threadfin Eleutheronema tetradactylum) and offshore species (coral trout Plectropomus spp.). For the mangrove-related species, mangrove characteristics such as area and perimeter accounted for most of the variation in the model; for the non-mangrove estuarine species, latitude was the dominant parameter but some mangrove characteristics (e.g. mangrove perimeter) also made significant contributions to the models. In contrast, for the offshore species, latitude was the dominant variable, with no contribution from mangrove characteristics. This study also identified that finer scale spatial data for the fisheries, to enable catch information to be attributed to a particular catchment, would help to improve our understanding of relationships between mangroves and fisheries production. (C) 2005 Elsevier B.V. All rights reserved.