[NatureNS] "Foreign Plant Invading Little Albro Lake" in Dartmouth...

Date: Wed, 01 Aug 2007 07:55:12 -0300
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Foreign plant invading Little Albro Lake
(from today's Chron.cle Her.ld)

By AMY PUGSLEY FRASER City Hall Reporter | 5:28 AM

There's big trouble at Little Albro Lake.

The Dartmouth lake is under attack by an "invasive plant species" called 
Yellow Floating Heart.

The Asian plant was first introduced as an ornamental pond plant, says a 
staff report, but quickly takes over as it roots in bottom sediment and 
can root in up to two metres of water.

It's so bad that swimming might have to be limited in the lake, says 
area councillor Jim Smith (Albro Lake-Harbourview).

"We'll be lucky if they don't multiply and end up in another lake," he said.

However, the city's hands are tied because taking care of the lake falls 
under provincial jurisdiction.

"They are currently investigating experience in other jurisdictions with 
this species. Their advice is that . . . a delay of one year will not 
make this problem any worse," says a staff report written for last 
night's meeting.

However, Coun. Gloria McCluskey (Dartmouth Centre) said she walked by 
the lake the other day and couldn't believe how much it had reproduced 
in the past year.

"It's unbelievable," she said.

Although the plant is not poisonous, the report says that the Department 
of Natural Resources anticipates that this species may become a 
significant problem in Nova Scotia within the next few years as it tends 
to take over any lake in which it is introduced.

As well, the plant is so hardy that it can be easily transported from 
lake to lake in the form of leaf or root fragments, even carried 
unintentionally on the hulls of boats, the report outlines.

Herbicides are not an option because of the municipal law governing the 
use of pesticides, a point made by Steve Streatch (Eastern 
Shore-Musquodoboit Valley).

"A barge with a spray program would get rid of it in a week."

He said the municipality is sadly becoming victim to several invasive 
species, noting the Asian spruce longhorn beetle and purple loosestrife.

"If we need to change legislation to allow it (spray programs), we 
should," said Mr. Streatch.

Coun. Bob Harvey (Lower Sackville) disagreed.

"Dumping large quantities of chemicals . . . will only create another 
problem," he said, noting it could lead to a massive fish kill.

Council agreed to send "an aggressive letter" to the provincial 
environment department.

( apugsley@herald.ca <mailto:apugsley@herald.ca>)


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<font class="Content_Headlines-links">Foreign plant invading Little
Albro Lake<br>
(from today's Chron.cle Her.ld)<br>
</font><br>
By AMY PUGSLEY FRASER City Hall Reporter | 5:28 AM<font
 class="Content_body-links">
<p>There&#8217;s big trouble at Little Albro Lake.</p>
<p>The Dartmouth lake is under attack by an "invasive plant species"
called Yellow Floating Heart.</p>
<p>The Asian plant was first introduced as an ornamental pond plant,
says a staff report, but quickly takes over as it roots in bottom
sediment and can root in up to two metres of water.</p>
<p>It&#8217;s so bad that swimming might have to be limited in the lake, says
area councillor Jim Smith (Albro Lake-Harbourview).</p>
<p>"We&#8217;ll be lucky if they don&#8217;t multiply and end up in another lake,"
he said.</p>
<p>However, the city&#8217;s hands are tied because taking care of the lake
falls under provincial jurisdiction.</p>
<p>"They are currently investigating experience in other jurisdictions
with this species. Their advice is that . . . a delay of one year will
not make this problem any worse," says a staff report written for last
night&#8217;s meeting. </p>
<p>However, Coun. Gloria McCluskey (Dartmouth Centre) said she walked
by the lake the other day and couldn&#8217;t believe how much it had
reproduced in the past year.</p>
<p>"It&#8217;s unbelievable," she said.</p>
<p>Although the plant is not poisonous, the report says that the
Department of Natural Resources anticipates that this species may
become a significant problem in Nova Scotia within the next few years
as it tends to take over any lake in which it is introduced.</p>
<p>As well, the plant is so hardy that it can be easily transported
from lake to lake in the form of leaf or root fragments, even carried
unintentionally on the hulls of boats, the report outlines.</p>
<p>Herbicides are not an option because of the municipal law governing
the use of pesticides, a point made by Steve Streatch (Eastern
Shore-Musquodoboit Valley).</p>
<p>"A barge with a spray program would get rid of it in a week."</p>
<p>He said the municipality is sadly becoming victim to several
invasive species, noting the Asian spruce longhorn beetle and purple
loosestrife.</p>
<p>"If we need to change legislation to allow it (spray programs), we
should," said Mr. Streatch. </p>
<p>Coun. Bob Harvey (Lower Sackville) disagreed.</p>
<p>"Dumping large quantities of chemicals . . . will only create
another problem," he said, noting it could lead to a massive fish kill.</p>
<p>Council agreed to send "an aggressive letter" to the provincial
environment department. </p>
<p>( apugsley@herald.ca)</p>
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