Results 51 to 60 of about 1,459,368 (181)
Brazilian Journal of BiologyThis study records, for the first time, the occurrence of all four male morphotypes in a population of Macrobrachium amazonicumfrom a continental environment, with an entirely freshwater life cycle.
JAF Pantaleão, GL Hirose, RC Costa
doaj +1 more source
R&D Management, EarlyView.ABSTRACT Research on strategic alliances often treats supplier capability development as an outcome, but rarely asks which capabilities are built or what they can be used for. We address this through an embedded single‐case study of a lead‐firm‐orchestrated network in the Brazilian Amazon, comprising six community‐based enterprises (CBEs) supplying ...
Renata Elaje Azevedo da Mota Carmona Chaves +2 more
wiley +1 more source
Spatial assessment of land suitability for aquaculture in the Tena River basin, Napo‐Ecuador
Journal of the World Aquaculture Society, Volume 57, Issue 6, December 2026.Abstract Aquaculture in the Tena River Basin (Ecuador) is a key contributor to the local economy and food security; however, it also poses environmental risks, including water pollution and the decline of native species. This highlights the need for land‐use planning to identify suitable areas for its development, considering environmental ...
Blanca Villacis +3 more
wiley +1 more source
Effects of Ambient Nitrite on Amazon River Prawn, Macrobrachium amazonicum, larvae
Journal of the World Aquaculture Society, 2014 AbstractThe effects of nitrite concentration on larval development of Amazon river prawn, Macrobrachium amazonicum, were studied in laboratory. In Experiment 1, larvae were reared in 600‐mL glass beakers filled with 300‐mL water with nitrite concentration of 0, 0.2, 0.4, 0.8 and 1.6 mg/L NO2‐N.
Hayd, Liliam A. +2 more
openaire +2 more sources
Prawn hatchery operations [PDF]
, 1996 The manual, an updated version of the 1984 SEAFDEC/AQD manual, presents the underlying principles and step-by-step instructions of prawn larval and post-larval rearing.
Parado-Estepa, Fe D. +2 more
core +1 more source
AgriEngineeringThe use of aquaponic systems has grown in recent years, but few of these systems have integrated the production of prawns and short-cycle vegetables. This study evaluated the potential for producing microgreens (beet, amaranth, arugula, and red cabbage ...
Sávio L. M. Guerreiro +8 more
doaj +1 more source
Environmental Toxicology, Volume 41, Issue 11, Page 1289-1298, November 2026.ABSTRACT Anthropogenic activities generate a significant amount of pollutants that are released into the environment, causing physiological and ecological disturbances. Among the xenobiotics present in aquatic ecosystems, numerous chemical and organic compounds have oxidative potential or are metabolized through oxidative processes, which may amplify ...
Natália Eduarda da Silva +6 more
wiley +1 more source
Participatory mapping and Nature's Contributions to People: Insights from the Amazon Delta
People and Nature, Volume 8, Issue 10, Page 3618-3632, October 2026.Abstract Understanding how traditional and coastal communities perceive and interact with nature is key to promoting inclusive conservation. This article examines human–nature interaction in the fishing village of Jubim, located in the Marajó Archipelago, delta of the Amazon River, Brazil.
Lara Sartorio Gonçalves +5 more
wiley +1 more source
Land Degradation &Development, Volume 37, Issue 15, Page 10944-10959, September 2026.ABSTRACT Aridification in Semiarid regions is a recurring theme in Intergovernmental Panel on Climate Change (IPCC) reports and has been documented in Northeastern Brazil. This study analyzes the spatiotemporal dynamics of aridification in the Lower São Francisco River “Citizenship Territory” (Sergipe and Alagoas) at a fine spatial resolution (~1 km ...
Carlos Eduardo Pacheco Lima +3 more
wiley +1 more source
River Sand and Gravel Mining: Global Drivers, Impacts, and Pathways for Sustainable Management
Reviews of Geophysics, Volume 64, Issue 3, September 2026.Abstract River sand and gravel are mined worldwide at volumes that now rival their natural replenishment, yet quantitative knowledge of this mining activity and its consequences lags far behind many other global environmental pressures. We synthesize 411 peer‐reviewed studies published since 1974 within a new Driver‐to‐Management Pathway for ...
Edward Park +25 more
wiley +1 more source