However, the use of data from coral fossils to support K – Pg extinction and subsequent Paleocene recovery must be weighed against the changes that occurred in coral ecosystems through the K – T boundary.

However, organisms and ecosystems, as far as it can be determined by the fossil record, do not appear to have undergone the significant change that would be expected by a mass extinction.

However, atmospheric nitrogen has limited availability for biological use, leading to a scarcity of usable nitrogen in many types of ecosystems.

However, environmental groups such as the Natural Resources Defense Council feared that the reorganization could distract the agency from its mission of protecting the nation's oceans and ecosystems.

However, coral reefs are fragile ecosystems, partly because they are very sensitive to water temperature.

However, the term vernal pool can be applied to all such temporary pool ecosystems.

However, equally this shallow soil structure makes downland ecosystems extremely fragile and easy to destroy.

However, certain phenomena, such as bird or whale migration, depend on more complex parameters not used to define the current database, such as atmospheric currents and dynamic pelagic ecosystems.

However, World Bank strictures restrict government subsidies for farmers, while the spread of fertilizer use may adversely affect ecosystems and human health and is hampered by various civil society groups.

However, the accumulation of this woody debris is a natural part of floodplain ecosystems in general, and wetlands in particular, and provides vital habitat for species including fish and turtles ..

However, for poorly understood reasons, competitive exclusion is rarely observed in natural ecosystems, and many biological communities appear to violate Gause's Law.

However, the City of Montreal has purchased considerable amounts of land and protects them as natural parks, which include swamps, beaches, forest and other ecosystems ; these are open to the public.

However, this view is naive, because constancy is not an attribute of marine ecosystems, which dooms this approach.

However, these bacteria may be an important contributor to ecosystems, since they are particularly abundant within soils.

However, like many allelopathy studies, it was based on artificial lab experiments and unwarranted extrapolations to natural ecosystems.

However, while the Department of Conservation has approved the project, and has made substantial environmental monitoring conditions part of the consent, the project also has objectors on the grounds of claimed influences on the local ecosystems and charter fishing ( see the section above on fisheries ).

However, in some forest ecosystems this can lead to decisions regarding the preservation of unique stands or attributes that will disappear over the next few decades because of natural succession processes.

However, all collecting, quarantine, and accreditation permits issued by other institutions, departments, and agencies shall be granted routinely for said museum research study or collecting effort on state lands or within state jurisdiction which does not pose a significant threat to the survival of endangered wild species, habitats, or ecosystems.

However, the global sink of CO < sub > 2 </ sub > in marginal seas could be almost fully compensated by the emission of CO < sub > 2 </ sub > (+ 11. 1 mol C m < sup >− 2 </ sup > y < sup >− 1 </ sup >; + 0. 40 Gt C y < sup >− 1 </ sup >) from the ensemble of near-shore coastal ecosystems, mostly related to the emission of CO < sub > 2 </ sub > from estuaries ( 0. 34 Gt C y < sup >− 1 </ sup >).

However, there is much more to learn through direct study of species ' ecology in human-dominated ecosystems, through what is known as focused natural history.

However, the presence of trees makes forest ecosystems and their study unique in numerous ways.

However, this de-barking of trees may also play a role in the maintenance of local savannah ecosystems, helping to prevent the development of denser forested environments.

However, the archipelago can be divided into four broad ecological zones ( arid, semiarid, subhumid and humid ), according to altitude and average annual rainfall ranging from 200 mm in the arid areas of the coast to more than 1 000 mm in the humid mountain.

However, the University of Adelaide's Centre for Learning and Professional Development gave a slightly different range of Generation X birthdates, ranging between 1965 and 1982.

However, an estimated 500 meteorites ranging in size from marbles to basketballs or larger do reach the surface each year ; only 5 or 6 of these are typically recovered and made known to scientists.

However, metabolism rates vary greatly between individuals, up to a factor of 100, ranging from as few as 4 hours to as many as 130 hours, or even 190 hours.

However, in 2004, the International Union of Geological Sciences ratified the Ediacaran age to be a geological age of the Neoproterozoic, ranging from 635 to 542. 0 ± 1. 0 million years ago.

However, maximum naturalness typically require unit-selection speech databases to be very large, in some systems ranging into the gigabytes of recorded data, representing dozens of hours of speech.

However, simulations of Amazon basin climate change across many different models are not consistent in their estimation of any rainfall response, ranging from weak increases to strong decreases.

The single woman can expect substantial net benefits, ranging from $ 142, 000 to $ 277, 000, However, these benefits are dwarfed by the estimated net benefits of her married counterpart.

However, later writers would bring the character back using various explanations ranging from her being a shapeshifting alien to her being an angel.

However, the inclination of the orbital plane to the line of sight from the Earth remains uncertain, with predictions ranging from 27 – 65 °.

However, the response rate is wide, ranging from 0 % up to nearly everyone.

However, Toronto Community Housing, one of the largest public housing agencies in North America, has a variety of buildings and communities ranging from individual houses to townhouse communities and mid-rise and high-rise apartments in both working-class and middle-class neighborhoods.

However there were also contributing memberships, ranging from $ 1 to $ 2. 50, made available to the general public.

However, its placing in these lists is inconsistent, ranging from first to 50th.

However, RP-HPLC assays of fresh rose hips and several commercially available products revealed a wide range of L-ascorbic acid content, ranging from 0. 03 to 1. 3 %.

However, during the series're-airing during the 1990s, Speed Racer Enterprises was responsible for the spawning of actual Speed Racer merchandise, ranging from small collectible die-cast cars, action figures, and even video releases of episodes from the original series.

However the rate for banking accounts was different, ranging from 100: 3 to 200: 1.

However, the concept of coherent states has been considerably generalized, to the extent that it has become a major topic in mathematical physics and in applied mathematics, with applications ranging from quantization to signal processing and image processing ( see Coherent states in mathematical physics ).

However, it soon became the primary method for linking controllers and dimmers, and also more advanced fixtures and special effects devices such as fog machines and moving lights, and has also expanded to uses in non-theatrical interior and architectural lighting ; DMX512 has been used at scales ranging from strings of Christmas lights to electronic billboards.

However, this drew heat from both sides, ranging from those who wanted to drop the " Republic of China " completely and those who pointed out that her proposal violated the Five Noes.

However, Chinese histories since ancient works such as Shiji were also fairly liberal in terming local tribal chiefs as " king " of a particular territory ranging from vast to tiny, using convenient terms of the form "( locality )" + "( king )" such as Changshawang, " King of Changsha " which was briefly recognized as a kingdom but was usually a smaller part of Chu state or just a county of the Sui Dynasty state, or phrases such as Yiwang, " Yi ( Eastern ) Foreign (' barbarian ') king ( s )," while in other cases or by other authors other terms such as, " native chief " might be used for the same office.

However, Eves was never able to gain control of the political agenda, and appeared indecisive and reactive on issues ranging from electricity restructuring to taxes.

However, the biggest part of the population, ranging between 60 % and 70 %, is mostly agnostic or atheist.

However on top of these routine performances, Penn Masala also has had the honor to perform for a number of famous individuals ranging from Anderson Cooper to Henry Kissinger to Ban Ki-Moon.