Hydrobiologia

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Ground water flow paths in relation to nitrogen chemistry in the near-stream zone
Hydrobiologia - Tập 206 Số 1 - Trang 39-52 - 1990
Alan R. Hill
The conservation status of the world’s freshwater molluscs
Hydrobiologia - Tập 848 - Trang 3231-3254 - 2020
Monika Böhm, Nadia I. Dewhurst-Richman, Mary Seddon, Sophie E. H. Ledger, Christian Albrecht, David Allen, Arthur E. Bogan, Jay Cordeiro, Kevin S. Cummings, Annabelle Cuttelod, Gustavo Darrigran, Will Darwall, Zoltán Fehér, Claudine Gibson, Daniel L. Graf, Frank Köhler, Manuel Lopes-Lima, Guido Pastorino, Kathryn E. Perez, Kevin Smith, Dirk van Damme, Maxim V. Vinarski, Ted von Proschwitz, Thomas von Rintelen, David C. Aldridge, Neelavar A. Aravind, Prem B. Budha, Cristhian Clavijo, Do Van Tu, Olivier Gargominy, Mohamed Ghamizi, Martin Haase, Craig Hilton-Taylor, Paul D. Johnson, Ümit Kebapçı, Jasna Lajtner, Charles N. Lange, Dwayne A.W. Lepitzki, Alberto Martínez-Ortí, Evelyn A. Moorkens, Eike Neubert, Caroline M. Pollock, Vincent Prié, Canella Radea, Rina Ramirez, Marian A. Ramos, Sonia B. Santos, Rajko Slapnik, Mikhail O. Son, Anna-Sofie Stensgaard, Ben Collen
With the biodiversity crisis continuing unchecked, we need to establish levels and drivers of extinction risk, and reassessments over time, to effectively allocate conservation resources and track progress towards global conservation targets. Given that threat appears particularly high in freshwaters, we assessed the extinction risk of 1428 randomly selected freshwater molluscs using the IUCN Red ...... hiện toàn bộ
Mixing patterns in Amazon lakes
Hydrobiologia - Tập 108 - Trang 3-15 - 1984
Jose G. Tundisi, Bruce R. Forsberg, Allan H. Devol, Thomas M. Zaret, Takako M. Tundisi, Antonio Dos Santos, Jorge S. Ribeiro, Elsa R. Hardy
The diel mixing patterns of two small floodplain lakes, Lago Jacaretinga in the Amazon drainage, and Lago Cristalino in the Rio Negro system, were investigated during both the high-water and low-water states of the Amazon River hydrograph. Measurements included temperature, oxygen, ammonia, phosphate, and chlorophyll. In both lakes thermal stratification developed during the day and was eroded at ...... hiện toàn bộ
Foraging behavior of redheads (Aythya americana) wintering in Texas and Louisiana
Hydrobiologia - - 2006
Marc C. Woodin, Thomas C. Michot
The evolution of groundwater Cladocera
Hydrobiologia - Tập 307 - Trang 69-74 - 1995
Henri J. Dumont
Cladocera occur in various types of groundwater, but are most common in the underflow of rivers. Numerous surface water species occasionally venture into groundwater; some chydorids are more common in groundwaters than in surface waters; at least three groups within Alona, finally, have evolved exclusive groundwater species. The latter show few obvious adaptations to the subterranean habitat, exce...... hiện toàn bộ
Spatial, seasonal and species variations of harmful algal blooms in the South Yellow Sea and East China Sea
Hydrobiologia - Tập 568 - Trang 245-253 - 2006
DanLing Tang, BaoPing Di, Guifeng Wei, I-Hsun Ni, Im Sang Oh, SuFen Wang
The occurrences of harmful algal blooms (HABs), in terms of frequency and area in the Chinese coastal waters, have been increasing since 1980s and caused considerable economic losses. In the present study, we have analyzed spatial and seasonal characteristics of HAB events in the southern Yellow Sea and East China Sea along Chinese coast from 1933 to 2004. With a total 435 HAB records, the most fr...... hiện toàn bộ
Life cycle of Calanus chilensis Brodsky in Bay of San Jorge, Antofagasta, Chile
Hydrobiologia - Tập 292 - Trang 289-294 - 1994
Ruben Escribano, Luis Rodriguez
The copepod Calanus chilensis is an endemic component of the zooplankton community in northern Chile. Size distributions of adult females, relative frequency of copepodid stages and relative numbers of adult males and nauplii, suggest the presence of at least 6 generations during the year, although the species seems to continuously reproduce through all seasons. Temperature profiles from 0 to 175 ...... hiện toàn bộ
X-rays and invisible sand: two new methods for designing burrowing behavioral experiments with juvenile unionoids
Hydrobiologia - - Trang 1-17 - 2023
Aleksandra Skawina
Unionoids are in global decline, which may be associated with their complex life cycle. Their juveniles are unique because while hidden (burrowed deeply in bottom sediments) they undergo critical anatomical changes (also developing a characteristic juvenile shell sculpture). Currently, the juveniles’ period of life is believed to be both the least known and one of the most vulnerable—thus the poss...... hiện toàn bộ
Variations in mineral nitrogen levels: the River Adour
Hydrobiologia - Tập 335 - Trang 159-170 - 1996
R. C. Brunet, K. B. Astin
A section of the River Adour (SW France) has been investigated to determine the role of the riparian vegetative strips (rvs) in the retention of mineral nitrogen. Entering and exiting fluxes have been measured along this segment throughout a hydrological season. The study indicates gains in mineral nitrogen (∼ 28%) during periods of low flow in the summer months, with riparian vegetation utilising...... hiện toàn bộ
Isolation and characterization of R-phycocyanin from Polysiphonia urceolata
Hydrobiologia - Tập 116 - Trang 594-596 - 1984
Zeng Fan-jie, Yang Zi-xuan, Jiang Li-jin (Li-Chin Chiang)
Tổng số: 15,236   
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