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Hello:
I have not read the article but I have seen dramatic insect declines=
=20
locally, roughly exponential and well underway by 1980. It is I think=20
part of the general habitat degradation caused by human activity. As=20
Muir observed, everything in Nature is connected. When too many links=20
are broken or damaged one can expect the structure to be equally=20
damaged. In residential areas bug zappers may have a significant effect.=20
Air pollution, highway traffic and environmental impoverishment are just=20
three of no doubt many more negative forces. Yard waste gets trucked off=20
to be composted indoors of all fool things. In many watersheds much=20
rainfall is shot out storm sewers, or fed by ditches to brooks when=20
ideally most should infiltrate by way of porous pavements and so and so=20
on.
On Route 12 near Welton Landing chicken feathers were rendered for=20
many years and the seepage from this operation was nutrient rich as=20
evidenced by the lush downslope vegetation. I found it interesting that=20
this vegetation was also unusually insect-rich (some 7-8 years ago;=20
perhaps less so recently).
Yt, DW, Kentville
------ Original Message ------
From: "Helene Van Doninck" <helene.birdvet@gmail.com>
To: "naturens@chebucto.ns.ca" <naturens@chebucto.ns.ca>
Sent: 11/7/2017 1:16:24 PM
Subject: Re: [NatureNS] Insect decline
>That would be my guess..though I haven't read it yet either.
>
>Helene
>
>Helene Van Doninck DVM
>Cobequid Wildlife Rehabilitation Centre
>2220 Irwin Lake Rd Brookfield NS Canada B0N1C0
>902-893-0253
>helene.birdvet@gmail.com <mailto:birdvet@hotmail.com>
>www.cwrc.net
>Find us on Facebook=20
><https://www.facebook.com/pages/Cobequid-Wildlife-Rehabilitation-Centre/13=
4671693239334>=20
>and Twitter <https://twitter.com/CobequiWildlife>
>****Wildlife Matters****
>
>
>On Tue, Nov 7, 2017 at 12:53 PM, Stephen Shaw <srshaw@dal.ca> wrote:
>>Saw this too but haven=E2=80=99t read the original article.
>>The pr=C3=A9cis of the study abstracted elsewhere, however, says that =E2=
=80=9CThe=20
>>authors say that this huge unrecognized loss cannot be sufficiently=20
>>explained by changes in weather, land use or habitat=E2=80=9D.
>>
>>So what does that leave as an explanation, pesticide use?
>>Steve
>>
>>On Nov 7, 2017, at 11:43 AM, Laviolette, Lance=20
>><lance.laviolette@lmco.com> wrote:
>>
>> > Hi everyone,
>> >
>> > We have had some discussion about the decline of insects in Nova=20
>>Scotia. A study published in the online scientific journal PLOS ONE=20
>>indicates that there has been a dramatic decline in average airborne=20
>>insect biomass of 76% (up to 82% in midsummer) in just 27 years for 63=20
>>protected nature areas in Germany.
>> >
>> > Their results demonstrate that recently reported declines in several=
=20
>>taxa such as butterflies, wild bees and moths, are in parallel with a=20
>>severe loss of total aerial insect biomass, suggesting that it is not=20
>>only the vulnerable species, but the flying insect community as a=20
>>whole, that has been decimated over the last few decades.
>> >
>> > It is particularly concerning since these measurements were made in=20
>>protected nature areas and not in those areas impacted by more=20
>>extensive human activity.
>> >
>> > Here is a link to the paper:
>> >=20
>>http://journals.plos.org/plosone/article?id=3D10.1371/journal.pone.018580=
9=20
>><http://journals.plos.org/plosone/article?id=3D10.1371/journal.pone.01858=
09>
>> >
>> > Cheers,
>> >
>> > Lance
>> >
>> > Lance Laviolette
>> > Glen Robertson, Ontario
>> >
>> >
>> >
>> >
>> >
>> >
>>
>
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div>Hello:</div><div>=C2=A0 =C2=A0 I have not read the article but I have s=
een dramatic insect declines locally, roughly exponential and well underway =
by 1980. It is I think part of the general habitat degradation caused by h=
uman activity. As Muir observed, everything in Nature is connected. When to=
o many links are broken or damaged one can expect the structure to be equal=
ly damaged. In residential areas bug zappers may have a significant effect. =
Air pollution, highway traffic and environmental impoverishment are just t=
hree of no doubt many more negative forces. Yard waste gets trucked off to=
be composted indoors of all fool things. In many watersheds much rainfall i=
s shot out storm sewers, or fed by ditches to brooks when ideally most shou=
ld infiltrate by way of porous pavements and so and so on.=C2=A0</div><div>=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0On Route 12 near Welton Landing chicken feath=
ers were rendered for many years and the seepage from this operation was nu=
trient rich =C2=A0as evidenced by the lush downslope vegetation. I found it =
interesting that this vegetation was also unusually insect-rich (some 7-8=
years ago; perhaps less so recently).=C2=A0</div><div>Yt, DW, Kentville</di=
v>
<div><br /></div>
<div>------ Original Message ------</div>
<div>From: "Helene Van Doninck" <<a href=3D"mailto:helene.birdvet@gmail.=
com">helene.birdvet@gmail.com</a>></div>
<div>To: "naturens@chebucto.ns.ca" <<a href=3D"mailto:naturens@chebucto.=
ns.ca">naturens@cheb