Results 191 to 200 of about 4,141 (234)
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Abnormal Reproduction in Woodlice

Nature, 1947
Under this heading I recorded in 19431 an instance where, without incubating in the brood pouch, a female specimen of Armadillidium nasatum, Budde-Lund produced a bunch of forty to forty-five eggs which duly hatched and produced normal young. Later, another female of the same species produced twenty eggs in a like manner, all of which duly hatched.
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Remediation of heavy metals and enhancement of fertilizing potential of a sewage sludge by the synergistic interaction of woodlice and earthworms.

Journal of Hazardous Materials, 2019
Woodlice and the earthworm alone or in combination were used to improve physical properties, nutrient release, and heavy metals stabilization during composting of sewage sludge.
Nesa Ahadi   +4 more
semanticscholar   +1 more source

Cutaneous Respiration in Woodlice

Journal of Experimental Biology, 1955
ABSTRACT Oxygen uptake and carbon dioxide output were measured in the woodlice Ligia oceanica, Oniscus asellus, Porcellio scaber and Armadillidium vulgare, in moist and in dry air, using normal animals and animals whose pleopods had been blocked by emulsion paint. In moist air, the rate of oxygen uptake which occurred through the general
E. B. Edney, J. O. Spencer
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Turn alternation in woodlice (Porcellio scaber)

Animal Behaviour, 1967
Abstract It was shown that response alternation frequency in woodlice became higher with the number of prior forced turns in one direction, but was unaffected by varied distance between the start and a forced turn. However, the frequency became lower with increased distance between a forced turn and a choice point, and also with detention following a
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Thigmokinesis in woodlice

Animal Behaviour, 1964
Abstract 1. 1. It is shown experimentally that locomotion is influenced by external contact. 2. 2. Thigmokinetic reactions are part of the behaviour pattern and distinct from humidity reactions though their effects may be similar. 3. 3. Thigmokinetic behaviour varies with the species and with relative humidity.
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Rectal Glands in Woodlice

Nature, 1961
THE structure and function of the rectal glands of insects have been investigated by several workers1. Later, Wigglesworth2 studied these glands more thoroughly in a number of species. No report, however, has yet appeared in the literature regarding the presence of rectal glands in woodlice (Crustacea : Isopoda), although Edney3 stated : “the faecal ...
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‘Weber's Glands’ and Respiration in Woodlice

Nature, 1950
THE view has long been held that certain tegumental glands in woodlice, known as ‘Weber's glands’, play an important part in respiration, and have been evolved in adaptation to terrestrial life. This conception appears to be wholly mistaken. It seems to have originated in a misreading of the literature, and although widely accepted there is little ...
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Moulting Fluid of Woodlice

Nature, 1945
IT is well known that in insects during the process of moulting or ecdysis there is a thin plasma or moulting fluid. "When the epidermal cells separate from the old cuticle and begin to secrete the new, the space between the two cuticles is occupied by a thin plasma.
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WOODLICE AND THE LAND HABITAT

Biological Reviews, 1954
SummaryA comparative study of woodlice which show different degrees of fitness for terrestrial life provides information about the evolution of land faunas and underlines the significance of water relations in this respect.Species of woodlice differ as regards rates of transpiration and survival in dry air.
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