Multiple metrics provide context for the distribution of a highly mobile fish predator, the blue catfish

2018 ◽  
Vol 28 (1) ◽  
pp. 141-155 ◽  
Author(s):  
Kayla M. Gerber ◽  
Martha E. Mather ◽  
Joseph M. Smith ◽  
Zachary J. Peterson
Keyword(s):  
Blue Catfish ◽  
Fish Predator ◽  
Multiple Metrics

scholarly journals Accelerating In-Transit Co-Processing for Scientific Simulations Using Region-Based Data-Driven Analysis

Algorithms ◽  
2021 ◽  
Vol 14 (5) ◽  
pp. 154
Author(s):  
Marcus Walldén ◽  
Masao Okita ◽  
Fumihiko Ino ◽  
Dimitris Drikakis ◽  
Ioannis Kokkinakis
Keyword(s):  
Large Scale ◽  
Data Driven ◽  
Data Sets ◽  
Output Constraints ◽  
Data Driven Approach ◽  
Scientific Simulations ◽  
Multiple Metrics ◽  
In Transit ◽  
Multiple Compression ◽  
Large Scale Simulations

Increasing processing capabilities and input/output constraints of supercomputers have increased the use of co-processing approaches, i.e., visualizing and analyzing data sets of simulations on the fly. We present a method that evaluates the importance of different regions of simulation data and a data-driven approach that uses the proposed method to accelerate in-transit co-processing of large-scale simulations. We use the importance metrics to simultaneously employ multiple compression methods on different data regions to accelerate the in-transit co-processing. Our approach strives to adaptively compress data on the fly and uses load balancing to counteract memory imbalances. We demonstrate the method’s efficiency through a fluid mechanics application, a Richtmyer–Meshkov instability simulation, showing how to accelerate the in-transit co-processing of simulations. The results show that the proposed method expeditiously can identify regions of interest, even when using multiple metrics. Our approach achieved a speedup of 1.29× in a lossless scenario. The data decompression time was sped up by 2× compared to using a single compression method uniformly.

scholarly journals Oviposition Habitat Selection of Dengue Vectors, Aedes aegypti and Aedes albopictus in Response to Fish Predator

2016 ◽  
Vol 27 (3) ◽  
pp. 117-122 ◽  
Author(s):  
Wan Fatma Zuharah ◽  
◽  
Nik Fadzly ◽  
Wilson Kang Wei Ong ◽  
Zarul Hazrin Hashim ◽  
...  
Keyword(s):  
Habitat Selection ◽  
Aedes Aegypti ◽  
Aedes Albopictus ◽  
Fish Predator ◽  
Dengue Vectors ◽  
Selection Of

Relative Harvestability by Angling of Blue Catfish, Channel Catfish, and Their Reciprocal Hybrids

1981 ◽  
Vol 1 (1) ◽  
pp. 73-76 ◽  
Author(s):  
Douglas Tave ◽  
Andrew S. Mcginty ◽  
Jesse A. Chappell ◽  
R. O. Smitherman
Keyword(s):  
Channel Catfish ◽  
Blue Catfish ◽  
Reciprocal Hybrids

scholarly journals Evaluation of Stomach Tubes and Gastric Lavage for Sampling Diets from Blue Catfish and Flathead Catfish

2004 ◽  
Vol 24 (1) ◽  
pp. 258-261 ◽  
Author(s):  
D. Scott Waters ◽  
Thomas J. Kwak ◽  
Joshua B. Arnott ◽  
William E. Pine
Keyword(s):  
Gastric Lavage ◽  
Blue Catfish ◽  
Flathead Catfish

Perceived predation risk, parasitism, and the foraging behavior of a freshwater snail (Potamopyrgus antipodarum)

1998 ◽  
Vol 76 (10) ◽  
pp. 1878-1884 ◽  
Author(s):  
Edward P Levri
Keyword(s):  
Predation Risk ◽  
Foraging Behavior ◽  
Freshwater Snail ◽  
Potamopyrgus Antipodarum ◽  
Plain Water ◽  
Fish Diet ◽  
Fish Predator ◽  
Size Dependent ◽  
Individual Size ◽  
Perceived Predation Risk

Foraging behavior can be influenced by such factors as predation risk, individual size, and parasite infection. Snails (Potamopyrgus antipodarum) placed in tanks with large rocks were exposed to four types of water: (1) water with crushed snails, (2) water from a tank in which fish (Gobiomorphus cotidianus) were fed only trout chow, (3) water from a tank where the fish were also fed snails, and (4) plain water. Snails could respond by moving to the top of rocks (where algal food was present) or to the bottom of rocks (where the predation risk was lower). The snails responded to fish chemicals by moving to the bottom of rocks. The response was dependent on snail size and fish diet. Smaller snails moved to the bottom of rocks more than larger snails did. Trematode-infected snails were found on top of the rocks more than other classes of snails, but infected snails still moved to the bottom of rocks in response to the fish predator. Snails eaten by fish in the field tend to be smaller than snails in the overall available population. Thus, snails that are more vulnerable to predation respond more intensely to the odor of fish by moving to the bottom of rocks. This size-dependent response to fish appears to be independent of the occurrence of trematode infection.

Combining Multiple Metrics to Control BSP Process Rescheduling in Response to Resource and Application Dynamics

2011 ◽  
Author(s):  
Rodrigo da Rosa Righi ◽  
Lucas Graebin ◽  
Rafael Bohrer Avila ◽  
Philippe Olivier Alexadre Navaux ◽  
Laercio Lima Pilla
Keyword(s):  
Multiple Metrics

The Value of Using Multiple Metrics to Evaluate PCB Exposure

2017 ◽  
Vol 74 (3) ◽  
pp. 361-371 ◽  
Author(s):  
Megan C. Archer ◽  
Amanda D. Harwood ◽  
Samuel A. Nutile ◽  
Kara E. Huff Hartz ◽  
Marc A. Mills ◽  
...  
Keyword(s):  
Multiple Metrics ◽  
Pcb Exposure
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