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Document the amount of variance in New Zealand, Chile and other parts of the world (Brown et al., 1997 Buschmann et al., 2004 and Graham et al., 2007)
Previous studies have characterized the following. season in the biomass of seaweed and giant enterprises those circuits to control the environment such as nutrient levels, stress, temperature and wave interference (Clendenning 1971 Hayes 1990 Jackson 1977 kg and Foster, 1984 and van Tussenbroek. , 1993) However, these studies have been conducted generally on a local scale and did not examine the spatial variability in the seasonal cycle. Population seaweed giant influenced by processes acting over a variety of scales, spatial and time (Bell et al., In press and Edwards, 2004), this variability has important implications for policing. The kelp forest For example, each year the California Department of Fish and Wildlife has conducted aerial surveys of the Sargasso Sea in late summer / early fall to meet the peak period seaweed roof. While experienced by Central California Supreme biomass in this period, Southern California usually not (Fig. 5) The following analysis of the region Landsat algae time series biomass (Fig. 3a and 4a) show. that between 1986 and 2009 the central California experienced the highest biomass annually in the fall in the 21 to 24 years, while in southern California experienced the highest biomass. During the fall, only four of the 24-year spatial variability may lead to bias in comparison to the regional share of seaweed standing up or in a regional comparison of the main production of seaweed. of the net proceeds from the temple, standing stock (kg Rassweiler and Arkema 2009)
circuitry seasonal seaweed giant affect important ecosystem and improvements in our understanding of seasonal changes seaweed giant may have. Important Network Giant kelp species in Southern California roots and the abundance of seaweed, giant spring has been shown to affect the diversity and richness of dietary kelp forests during the season. As hot (Byrnes et al., 2011) abundance giant kelp also affect the net primary production and the changing demographics of persons in kelp forest ecosystems (Reed et al., 2008)
raised. For example, seaweed, giant food source for sea urchins Red, one of the species most important economic lives in the kelp forests of California (Leighton, 1971), the reproductive organs of female sea urchins the size and quality. Some are controlled by the supply of food that is harvested by fishermen before they spawn. The reproductive cycle of sea urchins generally follows the year. But like seaweed rich with a lot of variability, spatial and time to spawn (Kato & Schroeter, 1985), so it's possible that a spawning of sea urchins is affected by a seasonal algae. abundant
in the future climate change are likely to result in many phenological changes and the impact these may have been announced, particularly in marine and coastal ecosystems. (Edwards and Richardson, 2004), for example, there is evidence that the frequency is very high in the northeastern Pacific Ocean have increased during the past decade (Menéndez et al., 2008 and Ruggiero et al. ., 2010), this type of change will undoubtedly have a significant impact on the coastal ecosystem structure and function. The world's coastal ecosystems such as forests, giant kelp on seasonal time scales will allow researchers to track changes phenological and improve our understanding of the drivers of these changes 4.2. Variability in seaweed physiological condition dynamic environment of the California coast led to a change in the physiological state of giant kelp canopy throughout the year. Elemental analysis of the knife used in seaweed SBC shows that organic nitrogen blade following a pattern similar to the nitrate contained in the water while the blade carbon remained relatively stable. The whole year (Brzezinski et al., 2013), this leads to an elevated C: No, summer and autumn when the leaves lots of seaweed growing tips of applications. , the blade becomes lighter in color and a reduction in the rate of photosynthesis. (Clendenning, 1971) concentrated around NO3 and decreased PAR flux is known to positively influence the concentration of melanin synthesis in seaweed giant (like Shivji, 1985) the presence of nitrogen and colors. Changes roof giant kelp season and may fluctuate in the delivery of nutrients to keep inside, so it's important to measure these indicators of physiological state at the relevant period of the change. The local environment Measurement of grain brown and the presence of nutrients that a website is not enough to explain these variations on scales of variability impact on the environment of seaweed, giant evaluated Chl: C from April 2013 reflection. AVIRIS are shown that high amounts of from 0.005 to 0.025 mg spatial variability mg- 1, a distance of about 15 kilometers (Figure 6a.) observed spatial variability underscores the importance of developing a set range. physiological conditions over time scales of spatial and timely. Variation in Chl: C significantly and positively correlated with changes in depth. This relationship may indicate that the physical condition for roof brown surface (high Chl: the C) may be improved for persons addicted to deep area of the reef (Figure 6b.) Seaweed giant can. occupy different environments of nutrients not only. But at the regional scale. But still above the coral reef with holdfasts deep thalli may have access to greater amounts of. nitrogen.Parnell et al, (2010) May.
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