Hi Natalie,
>What groups are you working with? Are you a researcher
> yourself?
I work with variously with USGSBRD and USFWS folks, as well as state projects,
and private
reseaarchers. My own projects employing audio work include a comparison of
Apapane and I'iwi
vocalizations thruout the islands, suspecting that they will speciate;
searching with directional
mic (Telinga stereo) for nest sites of Band-rumped Storm-petrel--known to nest
on Kaua'i but whose
nest remains unobserved, and several others in incubation. My work as a bird
and wildlife guide (as
Terran Tours) has taken me to the best habitats in the islands, and has enabled
me to record
(nearly) all the extant endemic birds. While I continue to improve my
recordings of individual
species, my main effort has evolved into capturing the ephemeral biophonies
(love using that term,
Bernie)--as you must know, Hawaii is painfully distinguished as "the extinction
capital of the
planet", and things change all the time, almost never for the better.
> We're working on the NE side of Hawaii, in wet rainforest sites. I
> was
> planning on recording for 1 hour, 4 times a day (dawn, noon, dusk,
> 10pm) in order to get 'everyone's' (birds, insects, frogs etc.)
> signals
Sounds like Hakalau Refuge, on Windward Mauna Kea, one of my favorite and best
known places in the
Islands--glorious upper-elevation climax forest (Koa, Ohia) with a recovering
understory. Frogs you
won't find up that high, except for the odd Bullfrog, and maybe the
Wrinkle-skin frog, another
alien) You will, however, find Coqui downslope from Hakalau, below around 400
meters. It is feared
that Coqui may advance into native forest, devouring native insects, including
the wonderful
crickets. You may be enchanted by the crickets, diurnal and nocturnal endemic
flightless tree
crickets,several hundred species thruout the Islands, each with a distinctive
stridulation (check
out the landmark book by Dan Otte, "The Crickets of Hawaii", with spectograms).
Crickets are a
significant part of the biophonies here, especially at night. I'll try to post
a sample.
>I'm hoping that at our field
> sites, this won't be the case, since there are no jet overflights
> allowed in the area.
Jets are seldom a problem in Hakalau--wind is likely to be a problem,
however--though you will be
here at the time the tradewinds are most likely to drop for a few days at a
time--patience required.
Take all precautions to protect your gear and yourself from wet and cold
conditions.
>Any idea how to get a spectogram out of a WAV file without too much
> difficulty
Keep in touch Natalie, good luck--
Aloha,
David
> --- In "nbioacoustics"
> <> wrote:
> Hi David,
> Wow, I wish I could download all the relevant information in your
> brain then! What groups are you working with? Are you a researcher
> yourself?
>
> We're working on the NE side of Hawaii, in wet rainforest sites. I
> was
> planning on recording for 1 hour, 4 times a day (dawn, noon, dusk,
> 10pm) in order to get 'everyone's' (birds, insects, frogs etc.)
> signals.
>
> I tested out the recorder and mics last night near Stanford, but
> there
> is SO much noise from jets and cars and buses etc. that I couldnever
> 'hear' the insects here I don't think. I'm hoping that at our field
> sites, this won't be the case, since there are no jet overflights
> allowed in the area.
>
> Any idea how to get a spectogram out of a WAV file without too much
> difficulty (using free software)? I've been fiddling with Audacity,
> which is great for viewing a spectogram, but won't let me save the
> data. I've also been trying to make a spectrogram in Matlab, but
> haven't quite figured it out yet.
>
> Natalie :)
>
>
>
> --- In "David Kuhn" <>
> wrote:
>> Hi Natalie,
>> Wherever you will be working, feel free to contact me in Hawaii--
> I've
>> been recording here ten years, live in native forest on Kaua'i,
> and am
>> intimately familiar with most all native forest
> habitats/biophonies in
>> the Islands. I'm involved in several research projects, and am
>> interested in any work involving audio study of
>> biodiversity/conservation in the Islands.
>>
>> Contact me on or off list, best at dkuhn012001 at yahoo.com, phone
> 808
>> 335 0398.
>>
>> Aloha,
>> David
>>
>> --- In "nbioacoustics"
>> <> wrote:
>> > Hi there,
>> > I just bought a 722, which I plan on using in Hawaii in 3 weeks
> to
>> > record biophony for a scientific study of biodiversity. I am
> used to
>> > working with plants, so I don't know much about this stuff. Help!
>> >
>> > I'm trying to figure out why when I am recording, I can hear
> sounds
>> in
>> > both headphones, but then when I playback my recording, I only
> get
>> > sound out of the left headphone...
>> >
>> > Does anyone have the patience to help me out?
>> >
>> > Thanks.
> --- End forwarded message ---
>
>
>
>
>
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