Suzyplanet

Suzyplanet




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Suzyplanet
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HANNAH PALMER and AMANDA TRIVIZAS take this PRIVATE SECRET BEACH in Cancún to themselves!!!
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Photo credit: Herb Knufken | Wind battered tree at Torrey Pines State Reserve | December 2015




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Torrey Pines ( Pinus torreyana ) are the rarest pine in North America. Native trees today are found only on one spot on Santa Rosa Island and on the sandy bluffs of northern San Diego, where many are protected in the Torrey Pines State Reserve (TPSR) and Extension. The scattered trees growing in the San Elijo Lagoon Reserve have probably been planted by scrub jays, hiding pine nuts for a future meal.
Walking beneath a torrey pine on a foggy day is like passing through a tiny rain storm. The long, minutely-sculpted needles condense fog into droplets that fall to the ground, providing additional moisture during the dry summer months.
Del Mar pine, Santa Rosa pine, Island pine, Soledad pine
Torrey pine is an evergreen tree with an extensive root system. When grown under the influence of coastal winds, it is may be less than 25 feet (8.5 m) high, picturesque with bent and twisted branches. In protected areas, it may exceed twice that height, with a straight trunk and broad, rounded canopy. The gray-green needles are eight to 12 inches long, in bunches of five (occasionally four or three). In cross-section, each needle in a five-needle cluster is 1/5th of a circle; where they come together at the base they form a cylinder that is surrounded by a papery sheath. Needles live three years, turning brown and falling the autumn of year three.
The reproductive structures of pines and other conifers are called strobili. There are male and female strobili on the same tree; the female structures occur further out on the branches than the males. The female strobilus is a round, prickly ball, about 1/2 inch in diameter, bright red when young, fading to dull red, then green then brown as it develops into the cone. The male strobili resemble small catkins , producing abundant pollen that is wind distributed. Strobili are produced in January to February. 1
Mature cones are dark brown, rounded and up to 6 inches (16 cm) wide; they are larger and heavier than cones of most pines. Each scale of the cone is tipped with a stout, reflexed prickle. At the base of each scale, protected by the adjacent scale, are up to two large, smooth, brown or blackish seeds, 5/8 inch to almost one inch (1.6 – 2.5 cm) long. Cones mature in their third year. They are often retained on the tree and seeds are released slowly over ten years or more. Like other pines, each seed has a wing, but in the Torrey pine, this is small and papery and is easily detached from the seed – apparently useless for transport, which depends instead on birds (especially scrub jays) and small mammals.
Photo credit: Barbara Wallach | Male strobili | Torrey Pines State Reserve | February 2010
Photo credit: Barbara Wallach | Female strobili in various stages of development | Torrey Pines State Reserve | May 2011
Mature cone showing two seeds at base of scale | Santa Helena trailhead | December 2017
Torrey pine is the rarest pine in North America, native to two restricted areas of California separated by 175 miles of ocean. One population grows on the coastal bluffs of Soledad Valley, North of San Diego. Most of these trees are protected in Torrey Pines State Reserve (TPSR) and the Torrey Pines Extension. The second population occurs on Santa Rosa Island offshore of Santa Barbara. Although direct evince is lacking, the two areas of Torrey pines are assumed to be relict populations – left-over fragments of a past population that once occurred over a much broader area.
In the mid-’70s, our total native population in both areas was estimated at 9,000 trees. Since then, trees in TPSR have been stressed by air pollution and drought, and killed by fire and a series of bark beetle invasions. 5 , 32 More recent total population estimates are near 3,000 trees. 290 Torrey pines have been declared rare and endangered by the California Native Plant Society, 45 and critically endangered by IUCN. 172
In its native habitats, Torrey pines grow on coastal sandstone bluffs below 430 feet (30 m) where stands of Torrey pines merge with coastal sage scrub and chaparral vegetations. 5 They are widely used in public grounds and large gardens and have escaped into coastal wildlands including San Elijo Lagoon Ecological Reserve.
In the Reserve, trees may be found along the loop trail near the Nature Center and in East Basin along the east-west trail near the Santa Helena trailhead. The latter trees are thought to have been planted by scrub jays harvesting seeds from trees in adjacent yards . 100 The origin of the trees at the Nature Center is uncertain.
Torrey pines are Gymnosperms, a major group of higher plants separated from flowering plants by the lack of flowers. The female ovule develops on the surface of a cone scale. It is protected by the surrounding scales but is exposed to the air rather than being enclosed in an ovary. Gymnosperms are commonly known as conifers or evergreens and include, in addition to pines, trees such as spruces, firs, cedars, and redwoods.
Within the conifers, pines are distinguished by having needle-like leaves that occur in bundles of one to eight, each bundle wrapped at the base with a membranous sheath.
In California, there are 18 species of pines. Torrey pines can be recognized by having both five needles in a bundle and a sharp prickle on the end of each cone scale.
The mainland and Santa Rosa populations are considered to be different subspecies: ssp. torreyana and ssp. insularis , respectively. 2
Santa Helena trailhead | December 2017
Papery sheath encloses the base of each needle cluster | Santa Helena trailhead
Each scale ends in strong prickle | Santa Helena trailhead | Nov. 2016
Any one who has visited TPSR early on a foggy day knows that each tree becomes a little rain cloud, sending water dripping to the ground (and the person) below. Plant ecologists generally agree that fog can be a significant source of water in some areas, especially during periods of little or no rainfall. This “fog drip” has been shown to be important in several environments 41 , 368 , 369 , 370, 371 including montane cloud forests and the coastal evergreen forests of northern California. In these habitats, fog drip may equal or exceed rainfall amounts.
In coastal southern California where annual rainfall is very limited, cloud shading and fog drip significantly reduce drought-stress in pines. 368 , 369 , 372 , 373 Because fog here occurs primarily in the summer when rainfall is often absent, the effect of even a little fog drip on tree growth appears to be very important – possibly making the difference between survival and death in a very marginal habitat.
The needles of conifers appear to be especially well suited for fog capture, 374 perhaps because larger leaves divert airflow around and past their surfaces while the flat or thin needles promote direct collision and capture. 375 In a two-year science project a local school student, Brock Oury, while in 7th and 8th grades, designed a fog chamber with which to compare the fog drip of Torrey Pines with that of four other pines. The Torrey needles condensed the most water. Brock speculated that this was due to the larger size and number of needles in a bundle. 376 In the second year, this project was extended and the needles of the five pines were examined microscopically. 377 Needle surfaces are sculpted with many series of microscopic projections that define tiny channels running the length of the needle. The projections on the Torrey pine needle are both larger and more numerous than those of the other species and Brock speculated that these are the sites of fog condensation, where the tiny fog droplets are captured and merged into larger drops that move down the channels and off the needle to the ground (or person) below. Brock’s second-year project won first place at the State Science Fair in the category of Plant Biology. 378 , 379 Nice job, Brock.
Note: Earlier this year, 2017, another local student, Emily Tianshi won national recognition for her studies on the fog-capturing abilities of the Torrey pine 380 but so far we do not know the details of the project.
Santa Helena trailhead | November 2017
Needle surface at 30x showing minute sculpting | Santa Carina trailhead | January 2015
Santa Helena trailhead | December 2017
The Kumeyaay ate the Torrey pine seeds (often called pine nuts) either raw or cooked. They were also ground and cooked as pinole or added to other dishes for flavoring. The nuts were collected in the fall; often the cones were roasted to release the nuts. 16
Modern tribes use the long Torrey pine needles for structure in open coiled baskets. 15
Torrey pines are often used as ornamentals in coastal and inland southern California, and even the Central Valley. 5 , 24
Santa Helena trailhead | November 2017
Santa Helena trailhead | November 2017
Pine seeds or nuts | Santa Helena trailhead | December 2017
Most people know what a native plant is – or do they? The concept is clear, but it is often difficult to apply.
Technically, the term “native” (or “indigenous”) means that a species persists in an area, such as North America, or California, or San Elijo Ecological Reserve, without being brought there by man. 4, 59 However we rarely know the circumstances under which a species first arrived, so scientists have established the rather arbitrary determination that plants that were in North America (or California, or San Elijo Lagoon Reserve) before the arrival of the Europeans are native to that area, while in the absence of more direct information, plants that arrived later are non-native. A useful definition that has many ambiguous applications.
By either definition, Torrey pines are native to California, but within the San Diego area, they are thought to be non-native outside of the small population in and near Torrey Pines State Reserve; outside TPSR it is assumed they were either planted by humans or introduced by birds or mammals from the trees planted by humans.
However, it is highly unlikely that birds and mammals recognize the boundaries of TPSR. Surely, jays and ground squirrels are constantly hiding the pine nuts in the canyons and parks outside reserve limits. Just suppose that one of those pine nuts made its way to San Elijo Lagoon Ecological Reserve and then sprouted. Perhaps it took several generations to cover the distance, each generation moving one canyon further north, but so long as transportation was provided only by bird or mammal power (human hands off!) that torrey pine would be native to the San Elijo Lagoon Reserve. Unlikely perhaps, but only the jays know for sure, and they probably don’t care.
Santa Helena trailhead | December 2009
Photo credit: Herb Knufken | Wind battered tree at Torrey Pines State Reserve | December 2015
Santa Helena trailhead | December 2009
Santa Helena trailhead | November 2017
Santa Helena trailhead | November 2017
Pine seeds or nuts | Santa Helena trailhead | December 2017
Santa Helena trailhead | November 2017
Needle surface at 30x showing minute sculpting | Santa Carina trailhead | January 2015
Santa Helena trailhead | December 2017
Mature cone showing two seeds at base of scale | Santa Helena trailhead | December 2017
Photo credit: Barbara Wallach | Male strobili | Torrey Pines State Reserve | February 2010
Photo credit: Barbara Wallach | Female strobili in various stages of development | Torrey Pines State Reserve | May 2011
Papery sheath encloses the base of each needle cluster | Santa Helena trailhead
Each cone scale ends in a sharp prickle | Santa helena trailhead | December 2009
Santa Helena trailhead | December 2017
Santa Helena trailhead | December 2009
Santa Helena trailhead | December 2017
Developing male strobili | Santa Helena trailhead | January 2015
Developing cone (year two) | Santa Helena trailhead | November 2017
Santa Helena trailhead | December 2017
Seeds have a small wing that is easily detached | Santa Helena trailhead | December 2017
Each scale ends in strong prickle | Santa Helena trailhead | Nov. 2016
Photo credit: Herb Knufken | Wind battered tree at Torrey Pines State Reserve | December 2015
Santa Helena trailhead | December 2009
Santa Helena trailhead | November 2017
Santa Helena trailhead | November 2017
Pine seeds or nuts | Santa Helena trailhead | December 2017
Santa Helena trailhead | November 2017
Needle surface at 30x showing minute sculpting | Santa Carina trailhead | January 2015
Santa Helena trailhead | December 2017
Mature cone showing two seeds at base of scale | Santa Helena trailhead | December 2017
Photo credit: Barbara Wallach | Male strobili | Torrey Pines State Reserve | February 2010
Photo credit: Barbara Wallach | Female strobili in various stages of development | Torrey Pines State Reserve | May 2011
Papery sheath encloses the base of each needle cluster | Santa Helena trailhead
Each cone scale ends in a sharp prickle | Santa helena trailhead | December 2009
Santa Helena trailhead | December 2017
Santa Helena trailhead | December 2009
Santa Helena trailhead | December 2017
Developing male strobili | Santa Helena trailhead | January 2015
Developing cone (year two) | Santa Helena trailhead | November 2017
Santa Helena trailhead | December 2017
Seeds have a small wing that is easily detached | Santa Helena trailhead | December 2017
Each scale ends in strong prickle | Santa Helena trailhead | Nov. 2016
Photo credit: Herb Knufken | Wind battered tree at Torrey Pines State Reserve | December 2015
Santa Helena trailhead | December 2009
Santa Helena trailhead | November 2017
Santa Helena trailhead | November 2017
Pine seeds or nuts | Santa Helena trailhead | December 2017
Santa Helena trailhead | November 2017
Needle surface at 30x showing minute sculpting | Santa Carina trailhead | January 2015
Santa Helena trailhead | December 2017
Mature cone showing two seeds at base of scale | Santa Helena trailhead | December 2017
Photo credit: Barbara Wallach | Male strobili | Torrey Pines State Reserve | February 2010
Photo credit: Barbara Wallach | Female strobili in various stages of development | Torrey Pines State Reserve | May 2011
Papery sheath encloses the base of each needle cluster | Santa Helena trailhead
Each cone scale ends in a sharp prickle | Santa helena trailhead | December 2009
Santa Helena trailhead | December 2017
Santa Helena trailhead | December 2009
Santa Helena trailhead | December 2017
Developing male strobili | Santa Helena trailhead | January 2015
Developing cone (year two) | Santa Helena trailhead | November 2017
Santa Helena trailhead | December 2017
Seeds have a small wing that is easily detached | Santa Helena trailhead | December 2017
Each scale ends in strong prickle | Santa Helena trailhead | Nov. 2016
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A couple of years ago, Marilyn Lange (it rhymes with tang) was back in her native New Jersey and going to secretarial school. Pretty blah. Then, on a whim, she went to Hawaii -- via a tour -- and stopped at Waikiki, where she met a young man who caught her fancy. She's been in Hawaii ever since, not because she's so crazy about the islands ("It's hard to get motivated here") but because Marilyn -- no women's libber -- frankly admits that her man's a very important part of her life: "I love being in love, and I'm willing to be a little slavish in order to make my guy feel good." She and Kip, her boyfriend, share an apartment in Honolulu -- "We split the rent, because it's dumb for the man to have to pay for everything" -- and they also work together, on a big old Chinese barge that's been converted to a restaurant. Marilyn is a cocktail waitress; Kip works the piano bar, playing and singing. Marilyn makes fairly good money -- 40 bucks a night in tips, she says -- and she enjoys the job because she's a people watcher: "After you do this for a while, you can tell by their accent what kind of tip people are going to leave. Like, Australians and Canadians don't tip the way Americans do; but then, people from New York don't tip the way L.A. people do, either." While Marilyn waits on tables, Kip plays Elton John tunes if there's a young crowd in the place; if it's an older group, he'll sing something like The Impossible Dream. Marilyn gets a kick out of the customers' reactions to her man: "The ladies just melt in front of him. I don't mind if they're five years old, or seventy-three, but if they're in between and pretty, then I do get a little jealous." On nights when they don't work, she and Kip like to go down to Kalakaua Avenue, which runs through Waikiki, and watch the tourists and the beachcombers.


When she's got some daylight hours to fill up, Marilyn's likely to be on her lanai -- that's Hawaiian for balcony -- talking to her tomatoes and spinach plants; s
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