EurekaMag Full Text Articles Chapter 38,878

Rettig, Jessica E. 1998: Variation in species composition of the larval assemblage in four southwest Michigan lakes using allozyme analysis to identify larval sunfish. Transactions of the American Fisheries Society 127(4): 661-668

Petrov, A.M.; Grigorev, N.H. 1967: Variation in structure of dorsal ray of Oesophagostomum venulosum. Tematiceskij Sbornik Rabat po Gelmintologii Selskochozjajstvennych Zivotnych 13: 47-49

Cepeda-Pizarro, J.; Pizarro-Araya, J.; Vasquez, H. 2005: Variation in the abundance of Arthropoda from a latitudinal transect in the transitional coastal desert of Chile, with emphasis on the epigean tenebrionids Variacion en la abundancia de artropoda en un transecto latitudinal del desierto costero transicional de Chile, con enfasis en los tenebrionidos epigeos. Revista Chilena de Historia Natural 78(4): 651-663

Klemp, S. 1996: Variation in the breeding activity of some polymorphs of the feral pigeon Columba livia forma domestica Unterschiede in der Brutaktivitat einzelner Farbungsvarianten der Stadttaube Columba livia forma domestica. Oekologie der Voegel. Juli; 181: 77-84

Clouet, M. 1996: Variation in the clutches of tits according to altitude in the Pyrenees Variation de la ponte des mesanges et altitude dans les Pyrenees. Alauda 642: 159-164

Verea, C.; Fernandez-Badillo, A.; Solorzano, A. 2000: Variation in the composition of the bird communities of forest understories in the north of Venezuela Variacion en la composicion de las comunidades de aves de sotobosque de dos bosques en el norte de Venezuela. Ornitologia Neotropical 111: 65-79

Abada-Boudjema, Y. 1992: Variation in the condition index of two species of mussels Mytilus galloprovincialis Lamarck and Perna perna L from the Algerian coast Mollusca, Bivalvia, Mytilidae Variations de lindex de condition chez deux especes de moules Mytilus galloprovincialis Lamarck et Perna perna L de la cote algeroise Mollusca, Bivalvia, Mytilidae. Proceedings of the International Malacological Congress 9: 11-18

Fudalewicz-Niemczyk, W.; Petryszak, A.; Rosciszewska, M. 1996: Variation in the cuticular structures of sense organs in insects Roznorodnosc struktur kutikularnych narzadow zmyslow owadow. Wszechswiat 97(7-8): 178-181

Pollo, C.J.; Robles, L.; Garcia-Miranda, A.; Otero, R.; Obeso, J.R.mon 2003: Variation in the density and spatial associations between wild ungulates and the Cantabrian capercaillie Variaciones en la densidad y asociaciones espaciales entre ungulados silvestres y urogallo Cantabrico. Ecologia (Madrid): 17: 199-206

Cherubini, G.; Morciano, S.; Turchetto, M. 1999: Variation in the diet composition of the cormorant Phalacrocorax carbo sinensis in the Venice Lagoon Variazioni nella composizione della dieta del cormorano Phalacrocorax carbo sinensis in Laguna di Venezia. Avocetta. Giugno; 231: 77

Lekuona, JM.; Campos, F. 1996: Variation in the diet of cormorants Phalacrocorax carbo in the Bidasoa river and its estuary Diferencias en la alimentacion del cormoran grande Phalacrocorax carbo entre el rio Bidasoa y su estuario. Ardeola. Diciembre; 432: 199-205

Puglisi, L.; Lucchesi, F.; Adamo, C.; Baldaccini, N.; Emilio. 2001: Variation in the distribution of singing males of the bittern Botaurus stellaris within Massaciuccoli marsh a preliminary analysis Variazioni nella distribuzione dei maschi di tarabuso Botaurus stellaris in canto allinterno della palude di Massaciuccoli unanalisi preliminare. Avocetta, 251: 110

Laplana, C.; Cuenca-Bescos, G. 2001: Variation in the length of the first lower molar in arvicoline rodents Arvicolinae, Rodentia, Mammalia Variacion de la longitud del primer molar inferior en arvicolinos rizodontos Arvicolinae, Rodentia, Mammalia. Publicaciones del Seminario de Paleontologia de Zaragoza 51: 334-341

Tarango Rivero, Socorro Hector. 1999: Variation in the life history of colonies of Harmonia axyridis Pallas Coleoptera Coccinellidae with different laboratory rearing times Variacion en la historia de vida de dos colonias de Harmonia axyridis Pallas Coleoptera Coccinellidae con diferente tiempo de cria en laboratorio. Folia Entomologica Mexicana 107: 51-60

Guillemain, M.; Duncan, P.; Bretagnolle, P.; Deceuninck, B.; Trolliet, B.; Rosoux, R.; Tournebize, T.; Burel, F.; Dubs, F. 1997: Variation in the number of dabbling ducks in the Baie de lAiguillon western France over the last 30 years Variations des effectifs de canards de surface en Baie de lAiguillon depuis 30 ans. Alauda 651: 43-46

Cheissin, E.M. 1957: Variation in the oocysts of Eimeria intestinalis, parasite of the domestic rabbit. Vestnik Leningrad Univ (Ser Biol 2, 9: 43-52

Elts, J. 2003: Variation in the results of thrush nightingale and sedge warbler counts Oobiku ja korkja-roolinnu loendustulemuste varieeruvusest. Hirundo, 161: 50

Gimenez-Casalduero, F.; Rodriguez-Ruiz, S.; Vivas, M.; Ramos Espla, AA. 2001: Variation in the structural parameters of the Polychaeta community of maerl beds from the Alicante littoral southeast Iberian Peninsula Variaciones de las caracteristicas estructurales de la comunidad de poliquetos asociada a dos fondos de maerl del litoral alicantino sudeste de la peninsula Iberica. Boletin Instituto Espanol de Oceanografia 17(1-2): 191-201

Moya-Raygoza, G.; Nault, L.R.; Hogenhout, S.A.; Styer, W.E. 2002: Variation in the transmission of the spiroplasma Spiroplasma kunkelii by populations of the corn leafhopper Dalbulus maidis Homoptera Cicadellidae Variacion en la transmision del espiroplasma Spiroplasma kunkelii por poblaciones de la chicharrita del maiz Dalbulus maidis Homoptera Cicadellidae. Folia Entomologica Mexicana. Agosto; 412: 113-118

Guenther, A. 2001: Variation in threatening flights and courtship behaviour of different Rhinocypha forms from Sulawesi Indonesia Differenzierung von Drohfluegen und Balzverhalten verschiedener Rhinocypha-Formen Sulaweis Indonesien. Abhandlungen und Berichte des Naturkundemuseums Goerlitz 731: 25-26

Delemarre, Jean-Louis. 2007: Variation in two species of Cerithium of Kerkennah Variations chez deux especes de Cerithium de Kerkennah. Xenophora. avril-mai-juin; 118: 23

Tierno de Figueroa, J.M.nuel.; Fochetti, R. 2001: Variation in wing venation in Dictyogenus alpinus Pictet, 1842 Plecoptera, Perlodidae Variabilidad en la venacion alar de Dictyogenus alpinus Pictet, 1842 Plecoptera, Perlodidae. Zoologica Baetica 12: 185-188

Gillet, P. 1990: Variation intraspecifique des paragnathes chez Nereis diversicolor annelides, polychetes de lAtlantique nord-est. Vie et Milieu 404: 297-303

Rosca, D.I.; Margineanu, C. 1967: Variation of Ameiurus riebulosus gill and kidney tissue respiration with osmotic factors. Studii si Cercetari de Biologie (Ser Zool): 19: 243-246

Blocher, M. 1998: Variation of Conus textile Linne 1758 in south west Madagascar Variationen des Conus textile Linne 1758 aus Sudwest-Madagaskar. Club Conchylia Informationen 30(4-6): 107-111

Pervomayski, G.S. 1953: Variation of Ixodidae and its importance to systematics. Zoologicheskii Zhurnal 32: 565-567

Wijffels, Leo CM. 2001: Variation of Le Roquet, the Anolis of Martinique Zur Variation bei Le Roquet, dem Anolis von Martinique. Reptilia (D). Februar-Maerz; 61: 35-43 Nr 27

Li, R.; Jiang, J. 1990: Variation of Mollusca fauna in the soft bottom intertidal zone along northern coast of Hangzhou Bay. Transactions of the Chinese Society of Malacology 3: 36-45

Aguilera, P., A.; Pacheco, V., C.; Guerrero, C., J. 1995: Variation of Myzocallis coryli Goeze Homoptera Aphididae populations in 9 Region of Chile Fluctuacion poblacional de Myzocallis coryli Goeze Homoptera Aphididae en la 9 Region de Chile. Revista Peruana de Entomologia 37: 105-106

Robert, H.; Sorbi, S. 2002: Variation of Tengmalms Owl Aegolius funereus sex ratio in nest Variation du sex-ratio au nid chez la Chouette de Tengmalm Aegolius funereus. Feuille de Contact de la Societe d'Etudes Ornithologiques "Aves" 38(2): 69-76

Ponti, M.; Marchi, M.; Colangelo, MA.; Ceccherelli, VU. 2002: Variation of biomass spectra and secondary production of the macrobenthic assemblages in a brackish lagoon Variazioni degli spettri di biomassa e della produttivita delle comunita macrobentoniche lagunari. Biologia Marina Mediterranea 9(1 Part 1): 225-230

Cueva del Castillo, R.; Cano-Santana., Z. 2001: Variation of body coloring of Sphenarium purpurascens Orthoptera Pyrgomorphidae in relation to sex and in relation to the formation of mating pairs in a heterogeneous environment Variacion de la coloracion corporal de Sphenarium purpurascens, Orthoptera Pyrgomorphidae en funcion del sexo y su relacion con la formacion de parejas en un ambiente heterogeneo. Folia Entomologica Mexicana. Diciembre; 403: 297-309

Schindler, I. 2003: Variation of body depth in Pterophyllum scalare Schultze in Lichtenstein, 1823 Teleostei Labroidei Cichlidae Variation der Koerperhoehe von Pterophyllum scalare Schultze in Lichtenstein, 1823 Teleostei Labroidei Cichlidae. Zeitschrift fuer Fischkunde, 61-2: 73-85

Shatalina, A.S.S.chukina, M.; Ya. 1966: Variation of catalase in blood of cows during the hot Uzbekistan summer Nauchnye Trudy, tashkent gos. Univ Ser Biol Soil Sci 291: 67-77

Acquarone, C.; Moratto, L.; Cucco, M.; Malacarne, G. 1999: Variation of circadian and seasonal time budget of the moorhen Gallinula chloropus wintering in Piedmont La variabilita giornaliera e stagionale del time-budget nella gallinella dacqua Gallinula chloropus svernante in Piemonte. Avocetta. Giugno; 231: 26

Trabalon, M.; Plateaux, L.; Bagneres, AG. 1994: Variation of cuticular hydrocarbons in Leptothorax nylanderi ants modified by parasites Variation des hydrocarbures cuticulaires chez des ouvrieres de fourmi Leptothorax nylanderi parasites. Actes des Colloques Insectes Sociaux 9: 11-18

Bezpaly?, I.G. 1950: Variation of diagnostic characters in Chilodonella cyprini Moroff, 1902. Trud Inst Zool Acad Sci Ukrain SSR: 4: 108-111

Pizzolon, M.; Cenci, E.; Mazzoldi, C. 2006: Variation of fish assemblages associated with two jetties delimiting the southern channel of the Venetian Lagoon Adriatic Sea Variazioni nella fauna ittica associata alle due dighe del Porto Canale sud della Laguna di Venezia Mar Adriatico. Biologia Marina Mediterranea 132: 56-57

D'Agostini, Fernanda Maurer. 1998: Variation of folidosis of Philodryas aestivus Dumeril, Bibron et Dumeril, 1854 and the invalidation of the subspecies Snakes Colubridae Xenodontinae Philodryadini Variacao da folidose de Philodryas aestivus Dumeril, Bibron et Dumeril, 1854 e a invalidacao das subespecies Serpentes, Colubridae, Xenodontinae, Philodryadini. Biociencias 30 jun; 61: 169-182

Brunel, F.; Bonnet, L.; Ruget, C.; Rey, J.; Mouterde, R.; Rocha, R. 1998: Variation of foraminifera associations in the Domerian of the Lusitanian Basin in relation to environmental fluctuations Variation des associations de Foraminiferes dans le Domerien du Bassin lusitanien, en relation avec les fluctuations de lenvironnement. Comunicacoes do Instituto Geologico e Mineiro, 841: A.49-A.52

Villalejo-Fuerte, M.; Ceballos-Vazquez, B.P.tricia. 1996: Variation of general condition, gonad and meat-yield indices in Argopecten circularis Bivalvia Pectinidae Variacion de los indices de condicion general, gonadico y de rendimiento muscular en Argopecten circularis Bivalvia Pectinidae. Revista de Biologia Tropical. Agosto; 442A): 591-594

Villalejo-Fuerte, M.; Tripp-Quezada, A.; Garcia-Dominguez, F. 2005: Variation of gonadal, muscle yield and digestive gland indexes of Spondylus princeps Gray, 1825 Mollusca Bivalvia at Isla Cedros and Punta Eugenia, Mexico Variacion de los indices gonadico, de rendimiento muscular y de la glandula digestiva de Spondylus princeps Gray, 1825 Mollusca Bivalvia en Isla Cedros y Punta Eugenia, Mexico. Revista de Biologia Marina y Oceanografia. Julio; 401: 87-90

Triplet, P.; Gembarski, S. 2001: Variation of human avoidance distance by foraging Eurasian Oystercatcher Haematopus ostralegus Evolution de la distance devitement dun humain par lHuitrier pie Haematopus ostralegus en recherche alimentaire. Alauda 694: 543-544

Sievers, G.; Lobos, C.; Inostroza, R. 1997: Variation of infestation intensity with infective stages of the isopod Ceratothoa gaudichaudii in farmed salmon in the south of Chile Variacion de la intensidad de infestacion con formas infectantes del isopodo Ceratothoa gaudichaudii en salmones de cultivo en el sur de Chile. Archivos de Medicina Veterinaria (Valdivia): 291: 121-125

Pujol, P.; Exbrayat, J.-Marie. 1997: Variation of interstitial tissue in the testicle and hypophysis of male Bufo regularis during the sexual cycle Variations du tissu interstitiel du testicule et de lhypophyse chez Bufo regularis male au cours du cycle sexuel. Bulletin de la Societe Herpetologique de France 1996 4eme trimestre; 80: 27-37

Bessonov, A.S. 1967: Variation of larvae and cysts of Trichinella in the pig muscles and its diagnostic importance. Tematiceskij Sbornik Rabat po Gelmintologii Selskochozjajstvennych Zivotnych 13: 154-165

Fagua, G. 1999: Variation of lepidopterans and ants along an altitudinal gradient of the Cordillera Oriental Colombia Variacion de las mariposas y hormigas de un gradiente altitudinal de la Cordillera Oriental Colombia. Coleccion Jorge Alvarez Lleras 13: 317-362

Nyenhuis, H. 2002: Variation of mallard Anas platyrhynchos hunting bags correlated with weather factors in coastal and inland areas in north-western Germany Variation der Jagdstrecke von Stockenten Anas platyrhynchos korreliert mit der Witterung in Kuesten- und Inlandgebieten Nordwestdeutschlands. Ornithologische Beobachter. Dezember; 994: 289-300

Bychovskaya - Pavlovskaya, I.E. 1954: Variation of morphological characters and its importance in the classification of trematodes of the family Cyclocoelidae Mag. Parasit Moscow 11: 9-60

Strodicke, M.; Gerisch, B. 1999: Variation of morphological features in Elaphe longissima Laurenti, 1768, with special regard to two isolated populations on the northern boundary of the range Squamata Serpentes Colubridae Morphologische Merkmalsvariabilitat bei Elaphe longissima Laurenti, 1768, unter besonderer Berucksichtigung zweier isolierter Populationen an der Nordgrenze des Artareals Squamata Serpentes Colubridae. Herpetozoa 11(3-4): 121-139

Fuentes, C.M.riano.; Espinach Ros, A. 1998: Variation of reproductive activity of the sabalo, Prochilodus lineatus Valenciennes, 1847, as estimated by larval flow in the lower Parana River Variacion de la actividad reproductiva del sabalo, Prochilodus lineatus Valenciennes, 1847, estimada por el flujo de larvas en el rio Parana Inferior. Natura Neotropicalis 291: 25-32

Kiseleva, NV. 1990: Variation of rodent fauna contents in the Ilmensky Reservation. Ekologiya (Moscow): 5: 86-89

Decoux, Jean-Paul. 1997: Variation of secondary sex-ratio in birds and other tetrapodes The case of Colius striatus nigricollis Coliiformes Variation de la sex-ratio secondaire chez les oiseaux et autres tetrapodes Le cas de Colius striatus nigricollis Coliiformes. Revue d'Ecologie la Terre et la Vie. Janvier-Mars; 521: 37-68

Cupul-Magana, F.G.; Rubio-Delgado, A.; Reyes-Juarez, A.; Villasenor, A. de Niz 2004: Variation of temperature in a burrow of Crocodylus acutus Crocodylia Crocodylidae at the estuary of Boca Negra, Jalisco, Mexico Variacion de la temperatura en una madriguera de Crocodylus acutus Crocodylia Crocodylidae en el estero Boca Negra, Jalisco, Mexico. Brenesia. Setiembre; 62: 91-94

Letard, D.; Tupinier, Y. 1997: Variation of the acoustic signals of Pipistrellus pipistrellus Variabilite des cris sonar de Pipistrellus pipistrellus. Arvicola 91: 25-27

Socarras, A.A. 1995: Variation of the arthropod fauna from managed pastures in Pinares de Mayari, Holguin Variacion de la artropofauna en pastizales con distintos tipos de manejo, en Pinares de Mayari, Holguin. Cocuyo. junio; 3: 26-29

Zmihorski, M.; Rejt, L. 2006: Variation of the diet of the urban kestrel Falco tinnunculus outside breeding season differences between territories Zmiennosc pokarmu miejskich pustulek Falco tinnunculus poza sezonem legowym roznice miedzy stanowiskami. Notatki Ornitologiczne 472: 89-95

Essedaoui, A.; Sif, J. 2000: Variation of the esterases activity under the effect of the metallic pollution at Mytilus galloprovincialis of the region of Jorf-Lasfar Morocco Variation de lactivite des esterases sous leffet de la pollution metallique chez Mytilus galloprovincialis de la region de Jorf-Lasfar Maroc. Journal de Recherche Oceanographique 25(3-4): 34-42

Mougin, J-L.; Jouanin, C.; Roux, F.; Zing, PA.; Zino, F. 2002: Variation of the incubation period as a function of the laying date in the Corys Shearwater Calonectris diomedea Variation de la duree dincubation en fonction de la date de ponte chez le puffin cendre Calonectris diomedea. Boletim do Museu Municipal do Funchal. Dezembro; 53: 71-77

Dolci, M.; Arzone, A.; Dolci, P. 2004: Variation of the juvenilizing action induced by alkyl substituents Variazione dellattivita iuvenilizzante indotta da sostituenti alchilici. Atti del Congresso Nazionale Italiano di Entomologia 191: 469-471

Bychovskaya - Pavlovskaya, I.E. 1951: Variation of the morphological characters and its significance in the classification of Trematodes of the genus Leucochloridium Carus, 1835. Magazin de Parasitologie Moscow 13: 45-74

E.C.fsi, M.; Romdhane, MS.; Chanussot, F.; Cherif, A. 1998: Variation of the muscle lipid composition in the mullet Liza aurata Risso, 1810 living in two sites of different salinity Variation de la composition lipidique du muscle chez le mulet Liza aurata Risso, 1810 vivant dans deux sites de salinite differente. IFREMER Actes de Colloques 27: 130-139

Giuntelli, P. 2004: Variation of the ornamentation of Theodoxus pictus Neritidae of the Piedmont Ligurian Tertiary Basin Variabilita dellornamentazione in Theodoxus pictus Neritidae del bacino terziario ligure piemontese. Bollettino Malacologico 40(5-8): 74-76

Rabarisoa, R. 2001: Variation of the water bird population in the Manambolomaty lake complex, a Madagascan Ramsar site Variation de la population des oiseaux deau dans le complexe des lacs de Manambolomaty, un site Ramsar de Madagascar. Ostrich Supplement 15: 83-87

Konar, V.; Canpolat, A.; Yilmaz, O.; Gursu, F. 1999: Variation of total lipid and fatty acid amount and compositions in muscles of Capoeta trutta and Barbus rajanorum mystaceus during reproduction period Capoeta trutta ve Barbus rajanorum mystaceus un kas dokularindaki total lipit ve yag asidi miktar ve bilesimlerinin ureme periyodu suresince degisimi. Turkish Journal of Biology 233: 319-330

Serapicos, E. de Oliveira.; Merusse, J.L.iz Bernardino. 2002: Variation of weight and survival rates of Micrurus corallinus under different feeding conditions in laboratory animal rooms Serpentes, Elapidae Variacao de peso e sobrevida de Micrurus corallinus sob diferentes condicoes de alimentacao em bioterio Serpentes, Elapidae. Iheringia Serie Zoologia 30 Dezembro; 924: 105-109

Torchia, G.; Relini, M.; Merello, SE.; Cantarella, M.; Relini, G. 2001: Variation of zoobenthos associated with Caulerpa taxifolia algae Variazioni dello zoobenthos associato allalga Caulerpa taxifolia. Biologia Marina Mediterranea 82: 633-635

Debenay, J-P.; Peypouquet, J-P.; Pages, J. 1990: Variation saisonniere des populations dostracodes de la ria sursalee de la Casamance Senegal. Geobios (Villeurbanne): 236: 699-713

KrolenkO.S.A. 1958: Variation, of the strength-duration curve of isolated muscle fibre treated with calcium chloride. CB Acad Sci URSS: 1203: 647-649

Paukstadt, U.; Paukstadt, L.H. 2005: Variations and aberrations of the shapes of wing ocelli in Attacus intermedius Jurriaanse Lindemans, 1920 Lepidoptera Saturniidae Variationen and Aberrationen der Ocellenformen bei Attacus intermedius Jurriaanse Lindemans, 1920 Lepidoptera Saturniidae. Beitraege zur Kenntnis der Wilden Seidenspinner 29 Maerz; 31: 21-27

Razet, D.; Heral, M.; Prou, J.; Legrand, J.; Sornin, J-M. 1990: Variations des productions de biodepots feces et pseudofeces de lhuitre Crassostrea gigas dans un estuaire macrotidal Baie de Marennes - Oleron. Haliotis 20: 143-161

Mouterde, R.; Chevallier, T.; Corna, M.; Sadki, D. 1990: Variations eustatiques et evolution des ammonites au Lias et au Bajocien. Bulletin de la Societe Geologique de France 66: 985-988

Hachler, E. 1947: Variations in Cinculus cinclus cinclus L, French. Casopis Zemskeho Musea V Brne 31: 5-16

Guclu, S.; Ozbek, H. 1996: Variations in aedeagus of Diplocolenus melichari Dlabola, 1950 Homoptera, Cicadellidae Diplocolenus melichari Dlabola, 1950 Homoptera, Cicadellidaenin aedeagusunda gorulen varyasyonlar. Turkiye Entomoloji Dergisi. Mart; 201: 59-65

Carcangiu, V.; Vacca, GM.; Cubeddu, GM.; Bini, PP. 2003: Variations in blood parameters of white donkeys on Asinara under treatment for ectoparasitosis Rilievi ematici in asini bianchi dellasinara sottoposti trattamento per il controllo delle ectoparassitosi. Ibex Journal of Mountain Studies. Autumn; 7: 207-210(Suppl)

Langdon, JH. 1990: Variations in cruropedal musculature. International Journal of Primatology 116: 575-606

Zakharia, ME. 1990: Variations in fish target strength induced by movement a wideband-impulse experiment. Rapports et Proces-Verbaux des Reunions Conseil International pour l'Exploration de la Mer 189: 398-404

Cheverud, JM. 1981: Variations in highly and lowly heritable morphological traits among social groups of rhesus macaques macaca mulatta on cayo santiago. Evolution 351: 75-83

Yoshiyuki, M. 1970: Variations in length of the third, fourth andfifth metacarpals in populations of Rhinolopus cornutus from Sago and Mitoshima, the Tsushima Is, Japan. J. mammal. Soc. Japan 5: 58-61

Khairullin, N.N. 1971: Variations in liver vitamin A content of two gray rat Rattus norvegicus Berkenhout populations. Ekologiya, 1970(5): 92-94

Fraticelli, F. 1999: Variations in number of black redstart Phoenicurus ochruros over wintering in Lazio, Italy Variazioni numeriche della popolazione di codirosso spazzacamino Phoenicurus ochruros svernante in alcune localitadel Lazio. Alula (Roma): 61-2: 173-174

Cheltzov-Bebutov, A.M. 1959: Variations in number of the water-rat in the periodically drying water-reservoirs. Uchen Zapiski biogeogr 189: 99-113

Viboud, S.; Fontvieille, D. 1999: Variations in numbers and biovolumes of microbial populations from two lakes of different trophic levels Evolution des effectifs et des biovolumes des populations microbiennes dans deux lacs de niveaux trophiques differents. Bulletin de la Societe Zoologique de France Zoologie-Evolution-Biodiversite 1234: 373-381

Kiryanova, E.S. 1954: Variations in plant nematodes under influence of food specialization. Travaux de l'Institut de Zoologie Acad Sci URSS Moscow. 9: 378-404

Lekuona, JM.; Campos, F. 1994: Variations in plumage patterns of yearling cormorants Phalacrocorax carbo Variaciones de plumajes en jovenes de cormoran grande Phalacrocorax carbo. Airo 51: 22-24

Fernandez, I.; Oliva, M. 1997: Variations in proteins, glucose and total lipids in the pink shrimp Penaeus notialis during the moulting cycle Variations des proteines, glucose et lipides totaux chez les crevettes roses Penaeus notialis au cours de cycle de mue. Revista de Investigaciones Marinas 182: 130-137

Chiesi, F.; Schein, E.; Roux, M. 1995: Variations in synodic cycle duration recorded by pectinid shells over the last 200 million years Variations de la duree du mois synodique enregistrees par la coquille des pectinides depuis 200 millions dannees. Comptes Rendus de l'Academie des Sciences Serie II A Sciences de la Terre et des Planetes. 7 Septembre; 3215: 353-359

Goldberg, RL. 1990: Variations in terrestrial snails Field notes from Jamaica. Papustyla 2: 2-3

Fanfani, F. 2001: Variations in the Late Neogene and Quaternary insectivore Mammalia associations from the Italian peninsula Variazioni nelle associazioni ad insettivori Mammalia tardo neogeniche e quaternarie della penisola italiana. Giornale di Geologia (Bologna) 62: 83-88(Supplo)