scholarly journals River otter and mink occupancy dynamics in riparian systems

2019 ◽  
Vol 83 (7) ◽  
pp. 1552-1564 ◽  
Author(s):  
Angela M. Holland ◽  
Eric M. Schauber ◽  
Clayton K. Nielsen ◽  
Eric C. Hellgren
Keyword(s):  
River Otter ◽  
Occupancy Dynamics ◽  
Riparian Systems

scholarly journals Stream community richness predicts apex predator occupancy dynamics in riparian systems

Oikos ◽  
2018 ◽  
Vol 127 (10) ◽  
pp. 1422-1436 ◽  
Author(s):  
Angela M. Holland ◽  
Eric M. Schauber ◽  
Clayton K. Nielsen ◽  
Eric C. Hellgren
Keyword(s):  
Apex Predator ◽  
Occupancy Dynamics ◽  
Stream Community ◽  
Riparian Systems

scholarly journals Occupancy dynamics of semi‐aquatic herbivores in riparian systems in Illinois, USA

Ecosphere ◽  
2019 ◽  
Vol 10 (3) ◽  
pp. e02614 ◽  
Author(s):  
Angela M. Holland ◽  
Eric M. Schauber ◽  
Clayton K. Nielsen ◽  
Eric C. Hellgren
Keyword(s):  
Occupancy Dynamics ◽  
Riparian Systems

scholarly journals Biology of an Adventive Population of the Armored Scale Rhizaspidiotus donacis, a Biological Control Agent of Arundo donax in California

Insects ◽  
2021 ◽  
Vol 12 (7) ◽  
pp. 588
Author(s):  
Charles A. Braman ◽  
Adam M. Lambert ◽  
A. Zeynep Özsoy ◽  
Ellen N. Hollstien ◽  
Kirsten A. Sheehy ◽  
...  
Keyword(s):  
Biological Control ◽  
Biological Control Agent ◽  
Control Agent ◽  
Arundo Donax ◽  
Giant Reed ◽  
Aphytis Melinus ◽  
Adult Females ◽  
Armored Scale ◽  
Riparian Systems

Arundo donax (giant reed) is invasive in Mediterranean, sub-, and tropical riparian systems worldwide. The armored scale Rhizaspidiotus donacis is approved for biocontrol in North America, but an adventive population was recently discovered in southern California. We documented this population’s distribution, phylogeny, phenology, potential host spillover to Phragmites spp., and potential for parasitism by a common biocontrol parasitoid of citrus scale. The adventive scale was found within a single watershed and is genetically closest to Iberian scale genotypes. Rhizaspidiotus donacis developed on Phragmites haplotypes but at much lower densities than Arundo. The adventive population is univoltine, producing crawlers from March-June. Aphytis melinus parasitoids exhibited sustained interest in R. donacis during choice and no-choice trials and oviposition resulted in a small second generation. Rhizaspidiotus donacis appears limited in distribution by its univoltinism and sessile adult females. This presents challenges for broad biocontrol implementation but allows for targeted application. The genetic differentiation between imported biocontrol samples and adventive populations presents an opportunity for exploring benefits of hybrids and/or alternative genotypes where establishment has been difficult. While unlikely to occur in situ, spillover to vulnerable endemic Phragmites or deleterious parasitoid effects on scale biocontrol agents warrants consideration when planning use of R. donacis.

EFFECTS OF RIVER OTTER ACTIVITY ON TERRESTRIAL PLANTS IN TROPHICALLY ALTERED YELLOWSTONE LAKE

Ecology ◽  
2007 ◽  
Vol 88 (4) ◽  
pp. 1040-1052 ◽  
Author(s):  
Jamie R. Crait ◽  
Merav Ben-David
Keyword(s):  
River Otter ◽  
Terrestrial Plants ◽  
Yellowstone Lake

scholarly journals A River Otter's, Lontra canadensis, Capture of a Double-crested Cormorant, Phalacrocorax auritus, in British Columbia's Gulf Island Waters

2007 ◽  
Vol 121 (3) ◽  
pp. 325
Author(s):  
Michael H. H. Price ◽  
Clare E. Aries
Keyword(s):  
Lontra Canadensis ◽  
Phalacrocorax Auritus ◽  
River Otter ◽  
Freshwater Lakes ◽  
Marine Bird ◽  
River Otters

Direct and apparent predation events by River Otters (Lontra canadensis) on birds have been recorded on marine islands and freshwater lakes. We add to this the first known observation of a River Otter capturing a marine bird on the ocean.

scholarly journals Ecological Site Descriptions: Consideration for Riparian Systems

Rangelands ◽  
2010 ◽  
Vol 32 (6) ◽  
Author(s):  
Tamzen K. Stringham ◽  
Jeffery P. Repp ◽  
Keyword(s):  
Ecological Site ◽  
Riparian Systems

Manipulating waterbody hydroperiod affects movement behaviour and occupancy dynamics in an amphibian

2017 ◽  
Vol 62 (10) ◽  
pp. 1768-1782 ◽  
Author(s):  
Emilie Tournier ◽  
Aurélien Besnard ◽  
Virginia Tournier ◽  
Hugo Cayuela
Keyword(s):  
Movement Behaviour ◽  
Occupancy Dynamics

River Otter (Lontra canadensis) Food Habits in a Washington Coast Watershed: Implications for a Threatened Species

2016 ◽  
Vol 97 (1) ◽  
pp. 36-47 ◽  
Author(s):  
Jonathan J Scordino ◽  
Patrick J Gearin ◽  
Susan D Riemer ◽  
Eric M Iwamoto
Keyword(s):  
Threatened Species ◽  
Food Habits ◽  
Lontra Canadensis ◽  
River Otter
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