Results 11 to 20 of about 146 (110)

The Relationship between Benthic Macroinvertebrate Assemblages and Water Quality Parameters in the Sanyati Basin, Lake Kariba, Zimbabwe. [PDF]

open access: yesScientificWorldJournal, 2022
Biological monitoring of reservoirs is important in assessing aquatic health. This study aimed at assessing the structure of benthic macroinvertebrate communities in relation to physicochemical parameters along Sanyati basin shoreline in Lake Kariba, Zimbabwe.
Makumbe P, Kanda A, Chinjani T.
europepmc   +2 more sources

The potential of aquatic bloodfeeding and nonbloodfeeding leeches as a tool for iDNA characterisation. [PDF]

open access: yesMol Ecol Resour, 2022
Abstract Leeches play important roles in food webs due to their abundance, diversity and feeding habits. Studies using invertebrate‐derived DNA (iDNA) extracted from leech gut contents to target vertebrate DNA have focused on the Indo‐Pacific region and mainly leveraged the leech family Haemadipsidae, composed of bloodfeeding terrestrial leeches, while
Lynggaard C   +4 more
europepmc   +2 more sources

Sucking of human blood by Placobdella costata (O. F. Müller, 1846) (Hirudinida: Glossiphoniidae): Case study with notes on body form. [PDF]

open access: yesEcol Evol, 2021
In our paper, four events of blood sucking on human by juvenile and adult specimens of Placobdella costata were described. We presented with a new data of juvenile specimens' body form and considered information about the potential role of mammals as hosts and dispersion vector of this leech.
Cichocka JM   +8 more
europepmc   +2 more sources

From subsidies to stressors: Positively skewed ecological gradients alter biological responses to nutrients in streams. [PDF]

open access: yesEcol Appl
Abstract Subsidy–stress gradients offer a useful framework for understanding ecological responses to perturbation and may help inform ecological metrics in highly modified systems. Historic, region‐wide shifts from bottomland hardwood forest to row crop agriculture can cause positively skewed impact gradients in alluvial plain ecoregions, resulting in ...
DeVilbiss SE, Taylor JM, Hicks MB.
europepmc   +2 more sources

N‐dimensional hypervolumes in trait‐based ecology: Does occupancy rate matter?

open access: yesFunctional Ecology, Volume 37, Issue 7, Page 1802-1814, July 2023., 2023
Read the free Plain Language Summary for this article on the Journal blog. Abstract Many methods for estimating the functional diversity of biological communities rely on measuring geometrical properties of n‐dimensional hypervolumes in a trait space. To date, these properties are calculated from individual hypervolumes or their pairwise combinations ...
Alex Laini   +2 more
wiley   +1 more source

Freshwater macroinvertebrate traits assessment as complementary to taxonomic information for mining impact detection in the northern Peruvian Andes

open access: yesDiversity and Distributions, Volume 28, Issue 8, Page 1582-1596, August 2022., 2022
Abstract Aim We studied the distribution of freshwater macroinvertebrate taxa and traits to distinguish ecological gradients among the mining‐controlled and natural headwaters, and rural and urban economic activity influences. Location In 2016’s dry season, macroinvertebrate samples were collected at 40 locations in the Mashcon watershed, northern ...
Daniel Mercado‐Garcia   +9 more
wiley   +1 more source

Development of a flow‐sensitive macroinvertebrate index for Australian rivers

open access: yesRiver Research and Applications, Volume 38, Issue 5, Page 846-862, June 2022., 2022
Abstract Hydrologically sensitive macroinvertebrate indices have been developed in Europe, the Americas and New Zealand to serve many purposes such as monitoring ecological responses to drought, flow regulation, water extraction and the provision of environmental flows.
Bruce C. Chessman   +2 more
wiley   +1 more source

Integrative taxonomy reveals a new species of the leech genus Dina R. Blanchard, 1892 (Annelida, Hirudinida: Erpobdellidae) from the ancient Skadar Lake basin in Montenegro

open access: yesThe European Zoological Journal, 2023
Leeches of the genus Dina are one of the most abundant leech species in running waters in Montenegro. This paper described a new yellowish-spotted and medium-sized leech from the Skadar Lake basin in Montenegro.
C. Grosser   +4 more
doaj   +1 more source

Adding large woody material into a headwater stream has immediate benefits for macroinvertebrate community structure and function

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 31, Issue 4, Page 930-947, April 2021., 2021
Abstract Hydromorphological rehabilitation through installing large woody material (LWM) is increasingly being used to reverse degradation of stream ecosystems. There have been many criticisms of stream rehabilitation projects, because many have not met their goals and many others have not been monitored well enough to assess whether their goals were ...
Ahmed Al‐Zankana   +2 more
wiley   +1 more source

The activity of hydrolytic enzymes in the digestive system of Acanthobdellida, Branchiobdellida and Hirudinida (Annelida, Clitellata) – considerations on similarity and phylogeny

open access: yesThe European Zoological Journal, 2021
Activities of nineteen hydrolases were measured in the digestive systems of predatory and blood-feeding true leeches (Hirudinida) and their closest relatives, Branchiobdellida and Acanthobdellida.
J. M. Cichocka   +8 more
doaj   +1 more source

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