Eclampsia
发表于 2025-3-25 04:21:12
The Abiotic Environment,al form of habitat and affects organisms through drag and dislodgment, but also delivers food and nutrients while removing wastes. A variety of sophisticated methods measure current and associated hydraulic forces on substrate and organisms, but it remains challenging to quantify the forces exerted
影响深远
发表于 2025-3-25 11:33:29
Primary Producers,totrophs of running waters include algae, some bacteria and protists, and higher plants. Algae are diverse taxonomically and in size and growth form. Algae of running waters that occur on substrates, commonly in association with heterotrophic microbes, are referred to as benthic algae or periphyton.
治愈
发表于 2025-3-25 12:04:14
Stream Microbial Ecology,nding water, and some autotrophs. They occur on virtually all surfaces in streams as biofilms that include bacteria, fungi, algae, protists, detrital particles, various exudates, exoenzymes, and metabolic products in an organic microlayer. Biofilms are important sites of organic matter processing an
HAIL
发表于 2025-3-25 19:41:49
Trophic Relationships, its associated microbial assemblage, higher plants, and other animals. Invertebrates typically are divided into functional feeding groups and fishes into guilds. Among the invertebrates, grazers ingest periphyton, shredders feed on large particles of organic matter such as leaves, collectors feed o
繁荣地区
发表于 2025-3-25 23:37:38
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Limousine
发表于 2025-3-26 01:49:25
Lotic Communities,at, and the matching of individual species to available resources, habitat, and one another. Regional species richness displays intriguing geographical patterns, best described for freshwater fishes. The number of species is inversely related to latitude, increases with drainage area and discharge o
transdermal
发表于 2025-3-26 08:03:17
Energy Flow and Nutrient Cycling in Aquatic Communities,isms and the abiotic environment. Food web networks ideally describe all interactions within a community of species, while recognizing that much of the energy flows through relatively few species. These pathways vary along a river’s length, with season, and among ecosystems. Food webs often receive
abstemious
发表于 2025-3-26 09:17:59
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insurrection
发表于 2025-3-26 16:26:29
Carbon Dynamics and Stream Ecosystem Metabolism,nd energy consuming processes, providing a whole-ecosystem perspective of lotic ecosystems. The focus is on two central questions. First, what are the relative magnitudes of internal versus external energy sources, including their variation along a river’s length and with landscape setting? Second,
傲慢人
发表于 2025-3-26 20:28:34
ems.Covers the key ecological factors and processes in a verStream Ecology: Structure and Function of Running Waters is designed to serve as a textbook for advanced undergraduate and graduate students, and as a reference source for specialists in stream ecology and related fields. This Third Edition