جنگل،زیباترین جلوه طبیعت (حفظ و نگهداری آن وظیفه همگانی است)
بیا تا گل برافشانیم و........ فلک را سقف بشکافیم و طرحی نو دراندازیم
مدیر وبلاگ :علی امیدی
Silvicultural features and environmental values
Buxus from buxacess the most important species of buxus include: B.sempervirens, B.chinensis and B.hyrcana.
Caspian box is evergreen that distributed tree and shrub in the Caspian coast and the northern Forests or Iran as one of the endemic species
Is considered .global distribution of Caspian box is reported Turkmenistan too.
Box has high longevity, it quietly was shade tolerant. And it stands have the best quality or growth into understory of forest. Box trees generally were seen until 12 meters height and up %0.35 meters in diameter. The north Forest in Iran is component of deciduous broad leaved forests by warm temperate weather or summer – green regime. But parts of plains and mountainous the boxes presented we can know under of rainforest and summer- green.
The traditional harvests of boxwood
Before nationalization of forests, specially during the qajar and the first pahlavi occurred very hard harvest from box trees by foreign- contractors, above all by the Greek. In the past, people made woody spool combs, textile lathe and other tools.
Box as medicinal species were considered more common in the forest and today, it rarely is using.
a lot of Caspian box habitat land used and changed for rural, villages and cities development that used tea gardens rice farms and other crops, making house and yard,so that Caspian box habitat decreased and limited.
Stimation of the box stands and trees
According review plan of quantitative and qualitative studies Iran forests (2006 or 1385), Bucus hyrcana has %0.39 in number and %0.4 in volume of forest trees.
Box's area is reported about 12000 hectares in guilan province.
But this habitats estimated about 15000 until 20000 hectares.
History of diseases in the north forest of IRAN.
In the past decades. The incidence of pests and diseases destructed habitats of some of forest species include:Castanea sativa(chestnut), Ulmus glabra(mountain elm), Albizia julibrissin(silk tree).
Boxwood blight disease has occurred (in 2010) in recent years, and despite the short duration or pathogen attack, irreparable damage have entered into box masses.
The necessity of controlling boxwood blight
Box stands or forests within boxus hyrcana are sustaining fauna and flora of forest ecosystem, so that with distribution of its habitate disrupted the balance of ecosystems and various damages will be noticed human society.
Imagine destruction of the nests of insects or and birds and other creatures following blight disease is terrible and unexpected event.
That is damages are much more than a flood or earthquake.
Certainly with destruction of box habitats increase possession of national grounds and attendance of domestic animals in the forest.
Therefore necessary to deal that we do measures to effectively implement for prevention and control of boxwood blight.
Analysis of Current Condition
Factor of boxwood blight Spread in most typical habitats in mountainous and plain areas and it happened in a short period of 3 years from 2010 to 2012.
Implementation strategies proposing in guideline of medical plant committee are faced with severe shortage of fund.
on the other hand defined types for larges habitats with due to the irregular distribution need funds, facilities and labor – intensive and relatively it will be long.
Fungus blight damages are seen the most forest stands in low Part elevations but in the upper elevations (for example in 1600-1700 meter at the shanderman watershed).
There are Box ecotypes intolerant to cold by less moisture.
That resistant to blight disease.
For deliverance of Box habitat, we should be used the proliferation and propagation From resistant ecotypes or healthy basis then boxwood forests will be restored.
In any case, we ought to avoid boxwood destruction are essential rehabilitation and conservation activities,
According to the guidelines developed by Forests organization.
We should collect the whole parts of polluted Stands implementation forest heath
We hope, with having a share FAO's aids or each other Finance.
We start rehabilitation and Conservation activities in the box habitats.
operation and reforestation by resistant types.
نوع مطلب : یادداشت ها و تحلیل های شخصی،
برچسب ها : box، boxwood blight، disease، شمشاد، Buxus hyrcana، iran،
لینک های مرتبط :
چهارشنبه 2 بهمن 1398 10:00 ب.ظ
Everything is very open with a precise clarification of the challenges. It was truly informative. Your website is very helpful. Many thanks for sharing!
سه شنبه 1 بهمن 1398 06:59 ب.ظ
I really like it whenever people get together and share opinions. Great blog, keep it up!
دوشنبه 30 دی 1398 05:47 ب.ظ
Very rapidly this web site will be famous amid all blogging and site-building users, due to it's nice articles
یکشنبه 29 دی 1398 10:52 ق.ظ
I was able to find good info from your blog articles.
یکشنبه 29 دی 1398 01:16 ق.ظ
It's really very complex in this full of activity life to listen news on Television, thus I only use the web for
that reason, and obtain the most recent news.
شنبه 28 دی 1398 05:58 ب.ظ
Hey there! I just wanted to ask if you ever have any trouble with hackers?
My last blog (wordpress) was hacked and I ended up
losing a few months of hard work due to no back up.
Do you have any solutions to protect against hackers?
چهارشنبه 25 دی 1398 03:11 ب.ظ
I think this is among the most important info for me. And i am glad reading your article. But should remark on few general things, The web site style is wonderful, the articles is really excellent
سه شنبه 17 دی 1398 02:42 ب.ظ
Hello! I just would like to give you a huge thumbs up for the excellent info youвЂ™ve got here on this post. IвЂ™ll be coming back to your web site for more soon.
شنبه 14 دی 1398 06:41 ق.ظ
I blog often and I genuinely thank you for your content. This article has truly peaked my interest. I am going to book mark your blog and keep checking for new details about once per week. I opted in for your RSS feed too.
پنجشنبه 12 دی 1398 09:32 ب.ظ
Whoa! This blog looks just like my old one! It's on a entirely different subject but it
has pretty much the same layout and design. Superb choice of
چهارشنبه 11 دی 1398 07:29 ق.ظ
We are a bunch of volunteers and starting a brand new scheme in our
community. Your site provided us with helpful information to work on. You've done an impressive task and our entire neighborhood will be
grateful to you.
دوشنبه 9 دی 1398 02:31 ب.ظ
Hi there! I just wish to offer you a big thumbs up for the
great information you have here on this post.
I am returning to your site for more soon.
شنبه 7 دی 1398 06:36 ب.ظ
It's very straightforward to find out any topic on net as compared to textbooks, as I found this paragraph at this website.
جمعه 6 دی 1398 03:43 ب.ظ
I was able to find good info from your blog articles.
دوشنبه 25 آذر 1398 07:16 ق.ظ
Do you mind if I quote a couple of your posts as long as I provide
credit and sources back to your website? My blog site is in the
very same area of interest as yours and my visitors would really benefit from some of the information you provide here.
Please let me know if this okay with you. Regards!
جمعه 22 آذر 1398 01:14 ب.ظ
Does your site have a contact page? I'm having a tough
time locating it but, I'd like to send you an e-mail. I've got some ideas for your blog you might be interested in hearing.
Either way, great website and I look forward to seeing it improve
چهارشنبه 20 آذر 1398 06:10 ق.ظ
I think this is one of the such a lot significant information for me.
And i'm happy reading your article. However want to observation on few common issues, The site taste is great,
the articles is really great : D. Just right task, cheers
دوشنبه 18 آذر 1398 08:13 ب.ظ
Download ringtones, message tones, alert tones etc... Free mobile ringtones for all type of phones, shared and submitted by our users. Choose from over 41000 ringtones uploaded under various categories. Get the latest ringtones in mp3 file format and set the coolest, trendiest tone as your mobile ringtone.<br>
<a href=https://dolotnuthietke.com>iphone x ringtone download mp3</a>
<a href=https://dolotnuthietke.com/sitesmapes.php>oneplus 6 ringtone download mp3</a>
<a href=https://dolotnuthietke.com>d j ringtone download mp3</a>
Access unlimited number of ringtones and download them with out sign up or registration. Surveys reveal that more than half of the mobile phone users between 15 to 30 years of age download ringtones at least once. To upload and share your collection of ringtones with other, click the 'Upload Ringtone' button and submit .mp3 files under 2MB in size.<br>
<a href="http://ariaamarketing.ir/post/6083/">ringtone download mp3 tamil songs</a>
چهارشنبه 13 آذر 1398 11:34 ق.ظ
Wow, amazing blog layout! How long have you been blogging for?
you make blogging look easy. The overall look of your site is wonderful, let alone the content!
سه شنبه 12 آذر 1398 02:09 ق.ظ
Superb, what a web site it is! This webpage gives valuable facts to us,
keep it up.
سه شنبه 28 آبان 1398 08:16 ب.ظ
I think the admin of this site is actually working hard in favor of his website, since here every material is
quality based stuff.
دوشنبه 27 آبان 1398 02:50 ق.ظ
Aw, this was an exceptionally nice post. Taking the time and actual
effort to make a superb article… but what can I say… I hesitate a whole
lot and don't seem to get nearly anything done.
دوشنبه 20 آبان 1398 11:46 ق.ظ
Hi there, I wish for to subscribe for this blog to get newest updates, thus where can i
do it please assist.
شنبه 18 آبان 1398 07:15 ب.ظ
My coder is trying to convince me to move to .net from PHP.
I have always disliked the idea because of the expenses.
But he's tryiong none the less. I've been using Movable-type on a number of websites for about a year and am concerned about switching
to another platform. I have heard great things about blogengine.net.
Is there a way I can transfer all my wordpress content into it?
Any kind of help would be really appreciated!
شنبه 6 مهر 1398 05:07 ب.ظ
Hello to all, how is everything, I think every one is getting more from this site, and your views are good
designed for new viewers.
چهارشنبه 3 مهر 1398 02:16 ب.ظ
Thank you for the good writeup. It in fact was a amusement
account it. Look advanced to far added agreeable from you!
By the way, how could we communicate?
شنبه 16 شهریور 1398 09:17 ب.ظ
What's up, its good article on the topic of media print, we all
know media is a impressive source of facts.
پنجشنبه 14 شهریور 1398 10:31 ق.ظ
Incredible points. Great arguments. Keep up the amazing spirit.
پنجشنبه 10 مرداد 1398 04:59 ب.ظ
I am really grateful to the holder of this website who has shared this
wonderful article at at this place. plenty of fish natalielise
پنجشنبه 27 تیر 1398 05:11 ب.ظ
Fabulous, what a website it is! This weblog provides helpful
information to us, keep it up.