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Basic Course
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Day 1 |
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I. |
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Meet the instructors and workshop participants |
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Receive workshop materials |
III. |
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Equipment testing for compatibility |
IV. |
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Evening demonstration of data collection |
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Day 2 |
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| Introduction |
| Workshop Goals |
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Learn configuration and use of the equipment and software |
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Standardization of collection protocol and vocabulary |
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Coordination among researchers and opportunities for feedback |
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Vocal signatures catalog |
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I. |
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What ANABAT does and how |
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A. |
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Brief discussion of how bat detectors work, why division circuitry is used, what is provided by the ANABAT display, etc. |
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Brief description of the various aspects of call morphology, the qualitative approach to species identification, and the basic vocabulary. |
II. |
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ANABAT Hardware |
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A. |
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What hardware comes with ANABAT and briefly how it contributes to the system. Where all the buttons and knobs are and what each does, default/optimal settings. A copy of the ANABAT manual will be provided in the notebook for reference. |
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B. |
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Equipment Connections - What plugs in where, inspecting connections, and ensuring good contacts. |
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C. |
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Dealing with Batteries - recharging the ANABAT and field concerns for notebook computer batteries. |
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D. |
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Optional Hardware - tape recorders, multiple ANABAT detectors, enhanced listening devices. |
III. |
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ANABAT Software Introduction |
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A. |
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Installation - install ANABAT Version 6.3f on all field notebooks. |
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B. |
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Configuring ANABAT - discussion of recommended configurations and options. Sample configuration file provided. |
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C. |
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Running ANABAT - key commands, function keys, display options, buffer capabilities, getting help, etc. |
IV. |
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Using ANABAT |
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A. |
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File, path, and directory organization options. |
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B. |
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Building and saving header files. |
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C. |
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Making and saving a file - tips and techniques. |
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1. |
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What to save and what to ignore. |
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2. |
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Recognizing "bad" files - garbage, fuzz, bad connections, feedback, frequency dropout, echoes, gain adjustments, etc. |
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3. |
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File size considerations versus saving to tape. |
V. |
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Onsite Species Identification |
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A. |
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Site selection and equipment set up - setup checklist |
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1. |
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Choosing a location to set up equipment - proximity to nets, problems with light from screen, etc. |
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2. |
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Setting up and saving a header file (review IV. B), checking calibration. |
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3. |
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Bat following techniques - pointing the ANABAT at the bats, avoiding signal bounce or echoes, setting the gain, observing behavioral traits and other contextual information. |
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4. |
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Saving files (review IV. C), recognizing communication versus search/orientation and foraging calls; usefulness for vocal identification. |
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5. |
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Use of programmed function keys for incorporating extraneous information into the file headers (e.g., habitat use, behavior, species identification, data collection procedures, etc.). |
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B. |
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Initial species analysis - Cursory identification unless verification is possible. |
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Verification - determining what species made the recorded call. |
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2. |
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Preferred methods for verification in descending order of confidence: |
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Recording outside a roost of a known species. |
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Following a bat into a mist net or trap. |
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Hand release in the field - importance of radio and/or light tags. |
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Hand release in enclosure. |
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Visual identification cues in flight. |
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3. |
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Comparison with known recordings (positive and negative points). |
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General characteristics of Emballonuridae. |
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General characteristics of Noctilionidae. |
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General characteristics of Mormoopidae. |
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General characteristics of Vespertilionidae. |
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General characteristics of Molossidae. |
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Low frequency and/or low intensity calls. |
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Field Data Collection |
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Day 3 |
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I. |
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Laboratory Analysis |
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A. |
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Initial examination of collected data files (ANALOOK). |
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Techniques for rapid visual scanning of files. |
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2. |
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Sorting known from unknown call files. |
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B. |
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Recognizing sources of variation within specific call sequences. |
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Doppler shifts. |
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2. |
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Echoes. |
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3. |
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Fragmented calls. |
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4. |
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Harmonics. |
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Multiple bats (same species, different species). |
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6. |
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Social calls. |
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7. |
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Tape recordings. |
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C. |
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Editing and measuring calls. |
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D. |
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Printing edited call sequences. |
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E. |
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Saving to TIF files. |
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Advanced Course
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Day 4 |
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I. |
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Compile data collected both actively and passively over the period of the Basic Course. |
II. |
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Gain experience in examination of collected data files, editing headers, archiving files and establishing working subdirectories for call editing and measurement procedures. |
III. |
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Gain experience in making determinations of species identification. |
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Field Data Collection |
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Day 5 |
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I. |
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Compile the night's data, edit, and archive files. |
II. |
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Continued work on editing, measurement, and determination of species identity. |
III. |
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Review field and laboratory techniques |
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Field Data Collection |