作者: FLAGR 時(shí)間: 2025-3-21 23:32
A new lumbriculid genus and species from North America (Clitellata, Lumbriculidae)n VIII, and semi-prosoporous male ducts. It differs from . in having paired atria and spermathecae, and from . in having petiolate atria. The single prostate gland is unique within the Lumbriculidae. The new species appears to have a restricted range in the northern Rocky Mountains.作者: 威脅你 時(shí)間: 2025-3-22 03:44 作者: olfction 時(shí)間: 2025-3-22 06:11
A preliminary study of oligochaetes in Poyang Lake, the largest freshwater lake of China, and its vin the lake and its vicinity in 1997–1999, 25 species belonging to 20 genera and 5 families are recorded. Among them, one genus, . (Enchytraeidae), and two species, . (Naididae), . (Tubificidae), are recorded from China for the first time. Another tubificid, . sp. nov., is new to science. It is simil作者: 走路左晃右晃 時(shí)間: 2025-3-22 10:16
New alluroidids (Annelida, Clitellata) from Guyanais characterized by very long ribbon-like penial chaetae and an unpaired spermatheca with a sperm-filled diverticulum and opening mid-dorsally at 7/8. . n. gen. is metandric and without penial chaetae; . n. sp. has a large, unpaired spermatheca (devoid of diverticula) which also opens mid-dorsally a作者: 越自我 時(shí)間: 2025-3-22 14:19 作者: AMOR 時(shí)間: 2025-3-22 19:24
Oligochaetes in southern European groundwater: New records and an overviewpe. The species richness is high and similar to that of the superficial waters in the same area. Among the 150 species that we found, about 29 are stygobiont, so the total number of stygobiont species in the area studied has been increased to 58. Ten of these species are tubificids with marine phyle作者: Cardiac 時(shí)間: 2025-3-23 00:49
Oligochaete communities in the hyporheic zone of a glacial river, the Roseg River, Switzerlandzerland. Ten oligochaete species were collected from 11 sites distributed along an 11-km reach of the river, downstream of the Tschierva Glacier. The most frequently encountered species were . and .. Six other species were relatively scarce and exhibited a discontinuous distribution pattern only in 作者: 分發(fā) 時(shí)間: 2025-3-23 03:57
Oligochaetes in Lake Towada, Japan, an oligotrophic calderalower than 20 m, and 79% (23 taxa) occurred there exclusively. The profundal bottoms deeper than 40 m were inhabited by three tubificids (. and Tubificidae gen. sp.) and one lumbriculid (.). Among them, . and Tubificidae gen. sp. were restricted to the profundal zone during the summer stratified sea作者: jaundiced 時(shí)間: 2025-3-23 06:49 作者: BRIEF 時(shí)間: 2025-3-23 11:04
Temporal pattern of the double sperm line production in Tubifex tubifex (Annelida, Oligochaeta)ogenesis of the two sperm lines which characterise this species. Starting from the second week after cocoon laying, we analysed the seminal vesicle content. We counted the cysts in the vesicles and arranged them into three classes: premeiotic, paraspermatids and euspermatids. Our results show that s作者: cutlery 時(shí)間: 2025-3-23 17:02 作者: 針葉樹(shù) 時(shí)間: 2025-3-23 21:47 作者: 細(xì)絲 時(shí)間: 2025-3-24 01:48
Pattern formation in embryos of the oligochaete annelid ,: cellular basis for segmentation and specil pairs of longitudinal coherent columns (bandlets) of primary blast cells which are generated by five bilateral pairs of embryonic stem cells called teloblasts (M, N, O, P and Q). As development proceeds, an initially linear array of blast cells in each ectodermal bandlet gradually changes its shap作者: 退潮 時(shí)間: 2025-3-24 05:56 作者: BALK 時(shí)間: 2025-3-24 09:30
Cocoon deposition of , Ohtaka (Tubificidae) in Lake Biwa, Japangs in a cocoon, and the substrate type and the position used for cocoon attachment. Cocoon deposition lasted from the beginning of January to the end of March, and peaked between mid-January and mid-February. Laboratory experiments showed that most . breed only once during their lifetime. In its nat作者: Demulcent 時(shí)間: 2025-3-24 13:27
Utility and relevance of aquatic oligochaetes in Ecological Risk Assessmentult of exposure to contaminants or other stressors. EcoRA begins with problem formulation/hazard identification, progresses to effects and exposure assessment, and culminates with risk characterization (an estimate of the incidence and severity of any adverse effects likely to occur). Key components作者: Detonate 時(shí)間: 2025-3-24 18:17
as a link in food chain transfer of hexachlorobenzene from contaminated sediment to fishd by endobenthic, sediment-ingesting invertebrates. Some tubificid species — or other benthic annelids — serve as food for benthivorous fish, which thereby ingest the sediment-borne chemicals and may accumulate contaminant concentrations far higher than from water exposure only, and transfer them to作者: expeditious 時(shí)間: 2025-3-24 20:19 作者: 厭食癥 時(shí)間: 2025-3-25 00:28 作者: 肉體 時(shí)間: 2025-3-25 05:55
Oligochaetes in southern European groundwater: New records and an overview the first outside of North America. This indicates that the family is widely distributed in the Palearctic region and typical of underground waters. Here, we update the previous evaluation of the knowledge about oligochaetes inhabiting groundwater: 96 species of stygobiont freshwater oligochaetes (作者: 使堅(jiān)硬 時(shí)間: 2025-3-25 10:34 作者: hegemony 時(shí)間: 2025-3-25 12:36 作者: Incorruptible 時(shí)間: 2025-3-25 18:35
Mysterious ‘crystals’: found attached to the epidermal peritoneum of marine tubificid (Annelida, Cli, which may be continuous with the coelomic peritoneum. The numbers of ‘crystals’ per individual worm are estimated at 100–400 per body segment, or well over 2 x 10. in an adult worm. ‘Crystals’ are found: throughout the length of the worms, in all individuals of species in which ‘crystals’ occur, a作者: 最高峰 時(shí)間: 2025-3-25 20:30
Pattern formation in embryos of the oligochaete annelid ,: cellular basis for segmentation and specind a part of the next posterior clone. Morphogenetic events, including segmentation, in an ectodermal bandlet proceed normally in the absence of neighboring ectodermal bandlets. Without the underlying mesoderm, separated SEs fail to space themselves at regular intervals along the anteroposterior axi作者: 規(guī)章 時(shí)間: 2025-3-26 03:58 作者: 暗語(yǔ) 時(shí)間: 2025-3-26 04:26
Cocoon deposition of , Ohtaka (Tubificidae) in Lake Biwa, Japanhat most cocoons were located less than 2 cm beneath the sediment surface. Under laboratory conditions, . produces a single cocoon during its lifetime, with a large number of eggs in midwinter, a period when potential prédation on the eggs is supposed to be at its lowest during the year, in Lake Biw作者: prodrome 時(shí)間: 2025-3-26 10:42
Utility and relevance of aquatic oligochaetes in Ecological Risk AssessmentThird, their taxonomy is considered difficult and uncertain. In fact, aquatic oligochaetes potentially have great utility and relevance to EcoRAs because of factors including: their importance in the aquatic food chain (e.g. prey to fauna including fish and waterfowl; as a vector for contaminant mov作者: grudging 時(shí)間: 2025-3-26 14:14
as a link in food chain transfer of hexachlorobenzene from contaminated sediment to fishdiment and reconstituted water as the overlying medium were used. Experiments were performed using .C-labelled hexachlorobenzene, a hydrophobic pollutant as a model compound. To examine the influence of benthic prey on the bioaccumulation of the test substance in the predator, fish were exposed to s作者: Entrancing 時(shí)間: 2025-3-26 19:43 作者: ostracize 時(shí)間: 2025-3-26 22:20
https://doi.org/10.1007/978-3-476-02935-5granite outcrops in the south-west and from réfugiai habitats (caves, groundwater and permanent river pools) in drier regions. A complete picture of oligochaete distributions will require much more work and patterns suggested by current data are presented here as hypotheses.作者: allergy 時(shí)間: 2025-3-27 04:19
Ernst Jünger-Bibliographie. Fortsetzung the first outside of North America. This indicates that the family is widely distributed in the Palearctic region and typical of underground waters. Here, we update the previous evaluation of the knowledge about oligochaetes inhabiting groundwater: 96 species of stygobiont freshwater oligochaetes (作者: 拒絕 時(shí)間: 2025-3-27 05:45 作者: 口訣法 時(shí)間: 2025-3-27 12:22 作者: Sad570 時(shí)間: 2025-3-27 14:03
Komponisten der Berliner Gruppe,, which may be continuous with the coelomic peritoneum. The numbers of ‘crystals’ per individual worm are estimated at 100–400 per body segment, or well over 2 x 10. in an adult worm. ‘Crystals’ are found: throughout the length of the worms, in all individuals of species in which ‘crystals’ occur, a作者: Cabinet 時(shí)間: 2025-3-27 20:49 作者: 征稅 時(shí)間: 2025-3-27 22:38 作者: Haphazard 時(shí)間: 2025-3-28 05:30
Ernst Mach – Life, Work, Influencehat most cocoons were located less than 2 cm beneath the sediment surface. Under laboratory conditions, . produces a single cocoon during its lifetime, with a large number of eggs in midwinter, a period when potential prédation on the eggs is supposed to be at its lowest during the year, in Lake Biw作者: 失望未來(lái) 時(shí)間: 2025-3-28 07:17 作者: 碎石頭 時(shí)間: 2025-3-28 10:26
Vienna Circle Institute Yearbookdiment and reconstituted water as the overlying medium were used. Experiments were performed using .C-labelled hexachlorobenzene, a hydrophobic pollutant as a model compound. To examine the influence of benthic prey on the bioaccumulation of the test substance in the predator, fish were exposed to s作者: 把…比做 時(shí)間: 2025-3-28 16:45 作者: 吃掉 時(shí)間: 2025-3-28 20:35
Conference proceedings 2001the effects of oliogochaetes on the performance of an activated sludge plant, and multivariate approaches to the spatial and/or temporal distribution and composition of oligochaete communities in many different areas of the world, from the scale of a river to the scale of the microhabitat. The broad作者: sclera 時(shí)間: 2025-3-29 01:10 作者: exercise 時(shí)間: 2025-3-29 04:34
orphology, ultrastructure, embryology, reproduction, feeding biology, ecotoxicity, community studies, and species distribution. Descriptions of new taxa in tropical areas, including Amazonian forest soils, as well as overviews on the biodiversity of aquatic oligochaetes in Australia and European gro作者: 古代 時(shí)間: 2025-3-29 09:32
https://doi.org/10.1007/978-3-476-02935-5 two species, . (Naididae), . (Tubificidae), are recorded from China for the first time. Another tubificid, . sp. nov., is new to science. It is similar to L. .. in chaetal shape but differs in having short hooded penis sheaths.作者: heirloom 時(shí)間: 2025-3-29 12:56
https://doi.org/10.1007/978-3-476-02935-5 . n. gen. is metandric and without penial chaetae; . n. sp. has a large, unpaired spermatheca (devoid of diverticula) which also opens mid-dorsally at 7/8. . and . were found in running waters in creeks, whereas . (.) and .. were collected in anoxic mud in a pool.作者: BABY 時(shí)間: 2025-3-29 18:18
A preliminary study of oligochaetes in Poyang Lake, the largest freshwater lake of China, and its vi two species, . (Naididae), . (Tubificidae), are recorded from China for the first time. Another tubificid, . sp. nov., is new to science. It is similar to L. .. in chaetal shape but differs in having short hooded penis sheaths.作者: anthesis 時(shí)間: 2025-3-29 22:05 作者: gimmick 時(shí)間: 2025-3-30 03:24 作者: Crepitus 時(shí)間: 2025-3-30 05:51
Bibliographien und Referenzwerket increased at sites where groundwater entered the stream. The spatial distribution of several oligochaete species was linked to the longitudinal arrangement of groundwater upwelling areas. This observation suggested that groundwater was an important upstream migration pathway for oligochaetes during the glacial retreat.作者: Electrolysis 時(shí)間: 2025-3-30 08:31 作者: Fissure 時(shí)間: 2025-3-30 13:47
Oligochaete communities in the hyporheic zone of a glacial river, the Roseg River, Switzerlandt increased at sites where groundwater entered the stream. The spatial distribution of several oligochaete species was linked to the longitudinal arrangement of groundwater upwelling areas. This observation suggested that groundwater was an important upstream migration pathway for oligochaetes during the glacial retreat.作者: Bravura 時(shí)間: 2025-3-30 18:53
Oligochaetes in Lake Towada, Japan, an oligotrophic calderaed in this article, dominated at the profundal bottoms. The cool, oxygen-rich environment at the profundal bottoms of the lake allowed colonization by stenotherm and oxyphilic species. Descriptions and taxonomic remarks are provided for two naidids new to Japan, . and ., based on L. Towada material.作者: 親屬 時(shí)間: 2025-3-30 23:06 作者: antecedence 時(shí)間: 2025-3-31 04:43 作者: 極肥胖 時(shí)間: 2025-3-31 06:56 作者: Macronutrients 時(shí)間: 2025-3-31 12:27 作者: 植物學(xué) 時(shí)間: 2025-3-31 15:56 作者: Hemoptysis 時(shí)間: 2025-3-31 19:29 作者: Flounder 時(shí)間: 2025-4-1 01:18 作者: SEEK 時(shí)間: 2025-4-1 05:45 作者: 易彎曲 時(shí)間: 2025-4-1 08:41
978-94-010-3887-4Kluwer Academic Publishers 2001作者: 自戀 時(shí)間: 2025-4-1 10:59 作者: 漂浮 時(shí)間: 2025-4-1 17:10 作者: explicit 時(shí)間: 2025-4-1 19:50
Erster Weltkrieg und Weimarer Republik,n VIII, and semi-prosoporous male ducts. It differs from . in having paired atria and spermathecae, and from . in having petiolate atria. The single prostate gland is unique within the Lumbriculidae. The new species appears to have a restricted range in the northern Rocky Mountains.作者: Inflated 時(shí)間: 2025-4-1 23:45
Untersuchungen zu einzelnen Werkens Tubificidae and Lumbriculidae into account. A new species of Tubificidae (subfamily Phallodrilinae), . is described. It was recorded from a subterranean gallery ‘Le Trou des Voleurs’ (Poncin, Southern Jura), and with regard to the genital setae, it is close to . (.) which is also know from southwe
