User:Olo72

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. Observations of my island
My garden formally exists since 1996, its history is expanded comparing it with the great gardens of Las Palmas de Gran Canaria, like the one owned by Mr. Perez Galdós, with a

centenary cyca that lasts until our days, if you emphasize the cells of your trunk you can observe in its separation how much it has grown, if it has been a rainy and dry year, although doing studies like this can lead to erroneous ideas, also with the baggage that is not reliable, when you receive in this case irrigation drip.

Another example is the Aracauria Collumnaris, which is located at the entrance of the Guanarteme Museum in the aforementioned city, it is with almost certainty, the highest tree of Gran Canaria in my opinion, I believe that Pilacones pine exceeded it, but we all know what happened to it ..., as I observed in my garden, the Aracaurias are characterized by the stepped shape of their floors, when they are separated, the better the year in rainfall, and vice versa. but this example is not worth it, since this, although it is more than 140 years old, has turf at its base, also, by eye observations, if it had suffered a break, since the old Araucarias tends to break and alter its growth.

Another case that can be used is when I found myself in the countryside with Canarian pines over 50 years old, cut down after the fire in September of last year, but I could not take a photo of their rings, since these would have served study a bit the climate of the area, because of that I have knowledge in situ and a book that speaks only of the subject, besides being cold winters and warm summers can be observed clearly, because if you study a tree coast, its rings would be invaluable for the stability of the temperatures typical of a subtropical zone In the case that a long-lived Drago with a dendrometer was studied, we would find ourselves with an unpleasant surprise, since the tree would bleed abundantly and its heartwood being fibrous, would not have rings, as it happens with the palms. Or, Dracaena Tamariensis, As Dracaena Draco would be useless, it would not be useful to count their ramifications, since these usually indicate the age of the specimen with a certain precision. As a curiosity, the largest Canarian palm tree that I know is the palm tree of Paquesito, located in the municipality of Ingenio I leave measurements 2005-03-06 33 m Marquez Laser with the breast method (for example Nikon Forestry 550 laser ranger) 2015-02-08 ~ 45 m OLE Measurement taken from information sign near tree, in which the exact measurement method is not elaborated. That each measurement can be done with a different precision. This tree was planted in 1842, which makes it exactly 176 years old (OLE, Apr 21, 2015). I really believe that it is more than 500 years old.

I also leave the assessment of the copy I photographed by a town hall technician. Hi, I'm a GC Cabildo technician and I think that its morphology is from the Canarian palm (Phoenix canariensis), although it is very variable even from male to female. In Gran Canaria of the 80000 palm trees in the wild that there is on the island, there is only something more than 1000 Phoenix dactylifera. It is very probable that there are many of the other 79000 that are hybridized and that have a suspicious morphology, but until a genetic analysis is done and that does not have a date appearance (shoots at the base or branches, shorter, stiff leaves and bluish or grayish, spines of the rachis rounded and shorter and larger seeds) can be considered as Canary. On the other hand, the exact height is 33 m., Measured with topography tachometer. The highest one is in Tenoya with 36 mt. And in terms of age, it can be estimated that a palm tree grows 1 m every 7 years at an early age, over time this growth is slower, inversely exponential, depending on the favorable conditions or not of its location, so Palm tree when less than 200 years old. Soon I will post photos of singular specimens of both palms and singular trees, a greeting.

And so there are hundreds of copies worth mentioning, but we better continue. My garden is sandwiched between four walls, which alters the regime of rainfall, wind, sun ... all lower, as there is little sun at the base of the garden, the rate of evaporation is dramatically reduced, allowing it to become a reservoir of humidity, which allows the cultivation of mosses and plants inappropriate for the subtropical desert climate Bsw, such as Erica Canariensis, Davalia Canariensis and plants typical of laurisilva, which indicates that we are facing a microclimate. The lack of ventilation makes the humidity of the morning is trapped longer, unfortunately in my area, the fog is something almost utopian, as it would be interesting to see what would happen if there was fog in the area. Like any microclimate, temperatures are very different from the outside, with 3 degrees less in winter and 10 degrees less than in winter. But the situation of the garden has played against it on several occasions, since I could produce that the winds go down and give these an unpleasant surprise, another consequence is the precipitations that in flagrant cases can be fifty percent less in certain zones, being this a drawback. If, curiously, the garden was paved, it would catch the heat when in summer the sun gives a large part of the garden, being able to cause the heat island effect. The white walls that surround it can also reflect the sun a lot, as they receive much more sun, which is curious. Since 2005 I began to populate it with plants, I have noticed the improvement of the air quality, and it is noticeable more thanks that the position of the garden allows that this air is not renewed so often, but as you can imagine, in case of nearby fires or bad smells, these are noticed more in the garden and stay longer in this, which can cause problems.

Anyway, my garden and many others can serve as microclimates