Because there is variability among disorders associated with pelv

Because there is variability among disorders associated with pelvic pain, patients may seek treatment for extended periods as various treatment options are attempted. Further, health care providers should recognize that there may not be a single source of dysfunction. This article discusses the musculoskeletal disorders of the pelvic girdle (structures within

the bony pelvis) and their association with lumbar spine and hip disorders. Waseem Khoder and Douglass Hale Pudendal neuralgia is a painful condition affecting the nerve distribution of the pudendal nerve. The Nantes criteria give some structure for making this diagnosis. A step-ladder approach to therapy, as described, is suggested when treating these patients. Mitul Shah and Susan Hoffstetter Vulvar pain and discomfort (vulvodynia) are common conditions that CX-5461 clinical trial can have a significant impact on a patient’s quality of life. Vulvodynia is a difficult condition to evaluate and treat. This article gives the primary gynecologist a basic framework with which to identify, diagnose, and begin treatment for these patients and refer if necessary. Initial evaluation and physical examination

are discussed in detail. Treatments ranging from self-management strategies to nonpharmacologic and pharmacologic therapies will be explored. Because vulvodynia is a chronic pain disorder, diagnosis is the key to beginning treatment and support for this patient population. Elizabeth Marsicano, Giao Michael Vuong, and Charlene M. Prather Gastrointestinal causes of abdominal pain are numerous. These causes are reviewed in brief here, divided into Enzalutamide order 2 categories: acute abdominal pain and chronic abdominal pain. They are further subcategorized by location of pain as it pertains to the abdomen.

Andrew Steele Opioid pain medications and antidepressants are commonly prescribed to patients for chronic non-cancer pain. However, little evidence exists for their effectiveness in most pain states, including chronic pelvic pain. Whenever possible, initiation of opioid pain medications in chronic non-cancer pain should be avoided. If patients present for evaluation of disease states such as endometriosis or interstitial cystitis already using regular Ponatinib datasheet narcotics, physicians should be aware of ways to mediate misuse and diversion. Women with chronic pain should be screened for depression as well as a history of prior sexual abuse, and treatment or referral initiated when indicated. Fah Che Leong Chronic pelvic pain is common, but rarely cured, thus patients seek both second opinions and alternative means of controlling their pain. Complementary and alternative medicine accounts for 11.2% of out-of-pocket medical expenditures for adults for all conditions in the United States. Although there are many treatments, rigorous testing and well-done randomized studies are lacking.

Particular interesting genes, like sulfatases, were manually eval

Particular interesting genes, like sulfatases, were manually evaluated. The genome of R. sallentina SM41 features 6893 predicted

ORFs, of which 4825 are shared with other Rhodopirellula species. A rather high number of 138 ORFs was found to be shared with planctomycetes outside of the genus Rhodopirellula. Based on 16S rDNA similarities and ANI analyses, R. sallentina SM41 clusters together with and Rhodopirellula rubra SWK7 are rather distantly related to R. baltica SH1T. The type strain for R. rubra has been described by Bondoso et al. (in press). Like for all presented Rhodopirellula draft genomes, the number of Saracatinib in vitro sulfatase encoding genes was exceptionally high ( Wegner et al., 2013) ( Table 1.). A tendency for sulfatase gene clustering was observed, although only few sulfatase maturation systems were identified. While all Rhodopirellula species harbor only few genes for peptidoglycan synthesis, one additional murA gene has been identified in the R. sallentina SM41 draft genome. This Whole Genome Shotgun project has been deposited in INSDC PD98059 (DDBJ/EBI-ENA/GenBank) under the accession number ANOH00000000. The sequence associated contextual (meta)data are MIxS (Yilmaz et al., 2011) compliant. This study was supported by the German Federal Ministry of Education

and Research (BMBF) as part of the Microbial Interactions in Marine Systems (MIMAS) project (Grant No. 03F0480A). “
“Rhodopirellula belongs to the ubiquitous bacterial phylum Planctomycetes. Members of the Planctomycetes are abundant in particulate fractions of marine ecosystems and considered as important participants in the global carbon and nitrogen cycles. They convert substantial amounts of organic material, such as “marine snow” (aggregates of zooplankton, phytoplankton and protists), into carbon dioxide. Their importance in marine systems was recently discovered and documented in several publications ( Glöckner et al., 2003,

Winkelmann and Harder, 2009 and Winkelmann et al., 2010). A collection of 70 Rhodopirellula strains obtained from different European seas revealed 13 distinct operational taxonomic units (OTUs). These were Tau-protein kinase defined by taxonomic studies with a combination of 16S ribosomal DNA (rDNA) sequence comparisons, DNA–DNA-hybridization (DDH) and a novel multi-locus sequence analysis (MLSA) approach that employed primers in putatively conserved regions of nine housekeeping genes ( Winkelmann et al., 2010). First evidence for a limited habitat spectrum of these sessile bacteria was detected by annotation and genome comparison of the strains. Here we report the permanent draft genome sequence of Rhodopirellula maiorica strain SM1 (= JCM 17615 = DSM 24050) which originated from sediment near Pt. Andratx, Mallorca, Spain (39.5446 N 2.3875 E) ( Winkelmann and Harder, 2009).

The scale includes items (questions) which are analyzed separatel

The scale includes items (questions) which are analyzed separately: Question 1: concerning the individual overall perception of quality of life; Question 2: concerning the individual general perception of health [14] and [16]. Analyses of internal consistency, discriminant validity, and construct validity suggest the WHOQOL-BREF is a psychometrically strong measure of quality of life. Cronbach’s alpha ranged from 0.63 (social relationships) to 0.76 (physical health) in this research. The measure has been used

internationally to research subjective quality of life in individuals with myelomeningocele. The study was approved by the Bioethics Committee of the Medical University of NLG919 in vivo Białystok. All subjects gave informed consent to complete the questionnaire. The data were analyzed with the statistical package Statistica v. 7.1. Descriptive statistics including mean and standard deviations were used for sample characteristics. When comparing 2 groups, the chi-square test

for nonordered categorical variables was used. The t-test was used for comparison values of the quality of life Selleckchem RGFP966 between groups. Spearman’s analysis was used to measure the dependence of mothers of quality of life and the motor function of patients, working status and education level. A value of p < 0.05 was considered statistically significant. The studied groups were comparable (no significant difference) in terms of age, sex, education and residence. Due to the locomotor level according to Hoffer, 31 (62%) of children with MMC were nonambulators

(require a wheelchair), 5 (10%) of the children were nonfunctional ambulators (require assistance to walk), 3 (6%) of the children were household ambulators (able to walk at home), and 11 (22%) of the children were community ambulators (no limitations). An interview with mothers of children with MMC found that most problems with the child concerned neurogenic bladder (96%), orthopedic problems (64%), problems with concentration (34%), and with learning (28%). Details are shown in Table I. Comparing the responses of mothers of children with MMC with the control group of mothers of healthy children, we observed statistically significant pentoxifylline differences in all four domains (physical health, psychological, social relationships, and environment). Comparing the data in Table II, the greatest differences were in the physical health domain p = 0.004 and psychological domain p = 0.008. In the assessment of the quality of life by mothers of children with MMC, we found no statistically significant differences based on sex (boys, girls). Details are presented in Table III. Due to the place of residence of mothers of children with MMC the largest difference was observed in the physical health domain – a statistically significant result (mothers from the country D1 – 23, mothers from the city D1 – 21.

For example, for the discharge simulation at Victoria Falls durin

For example, for the discharge simulation at Victoria Falls during calibration period Harrison and Whittington (2002) obtained a correlation coefficient R2 of 0.61, which is lower than the results presented here with R2 of 0.88. Similarly, Winsemius et al. (2006) report for their two models a Nash–Sutcliffe Efficiency NSE of 0.72 and 0.82 respectively, whereas we obtained a slightly higher performance with NSE of 0.88. Note that Winsemius et al. did only see more apply their model to the upper Zambezi and did not focus on impact modelling. Unfortunately, the other impact modelling studies of the

whole Zambezi basin ( Hoekstra, 2003, Yamba et al., 2011 and Beck and Bernauer, 2011) do not report performance statistics. However, we believe that the model simulations presented here are among the most accurate – if not best – models for simulation of Zambezi discharge currently available. The exact reason for the higher model performance as compared to previous studies remains unclear. It may be related to improved input data (GPCC), calibration method, consideration of wetlands and river routing. The latter two are important for simulation of timing of Zambezi discharge (Cohen-Liechti et al., 2014) and would cause serious modelling problems if not explicitly considered, with the risk of corrupting parameter values to obtain simulations that are “right for the wrong reason” (Refsgaard and GDC 941 Henriksen, 2004). The higher performance

is most likely not related to the structure of the water balance model (see Fig. 4, left), as here the applied models are all very similar in the various studies. The evaluation of historic discharge conditions (see Fig. 5 and Fig. 6) also shows the considerable impact of the large reservoirs and the problem of reservoir operation; where (ad hoc?) release decisions at upstream reservoirs complicate simulation of downstream discharge. Different sets of operation rules would have to be applied to different time periods, but instead fixed operation rules – as effective during the 2000s – were imposed on the model. Therefore, simulations in the downstream sections (e.g. at Tete) frequently show

deviations to observations. Due to the above mentioned peculiarities of Zambezi discharge in downstream sections, we focussed PLEKHM2 on the simulation results averaged over the land-surface – thereby excluding the confounding impacts of reservoirs – to learn more about the hydrology in the context of the seasonal water balance (see Fig. 9). The hydrology in the Zambezi basin is characterized by representing a water limited system – as opposed to energy limited. Already under historic climate the potential evapotranspiration cannot be met by the actual evapotranspiration (see Fig. 9), simply because there is not enough water stored in the soil due to insufficient annual precipitation amounts. Therefore, any increases in temperature – and consequently increases in potential evapotranspiration – have a small impact on discharge.

These studies have shown that jararhagin cleaves fibrinogen prefe

These studies have shown that jararhagin cleaves fibrinogen preferentially in A-α chains. The hydrolysis of fibrinogen 23 kDa fragment does not interfere in platelet aggregation response, but renders an abnormal fibrin polymerization by thrombin (Kamiguti et al., 1994b). Jararhagin also was able to degrade fibrin in a dose-dependent manner (Baldo et al., 2008). Another effect following interaction between jararhagin and plasma proteins is the enhancement of fibrinolysis due to increase in tissue-type plasminogen activator

activity and inactivation of α2-plasmin inhibitor (Sugiki et al., 1995). According to the authors, these effects occur only because the catalytic activity of jararhagin is unaffected PD-1/PD-L1 inhibitor review by plasma proteinase inhibitors such

as α2-macroglobulin (Kamiguti et al., 1994a). Jararhagin interferes with platelet function by inhibition of collagen- and ristocetin-induced platelet aggregation (Kamiguti et al., 1996a). The inhibition of ristocetin-induced platelet aggregation by jararhagin occurs due to a catalytic effect of the toxin on vWF that hydrolyses the fragment enclosing the AI domain, ligand-site for the GPIb receptor (Kamiguti et al., 1996a). In opposition, jararhagin inhibits collagen-induced platelet aggregation by a multi-factorial mechanism, involving collagen and the α2β1 collagen-receptor, but not interfering with GPVI collagen-receptor AZD5363 mw (Kamiguti et al., 2000). The cleavage of β1 subunit of the α2β1 integrin by jararhagin was shown, interfering with the stability of α2 subunit that fails to interact with of native collagen via I domain (Kamiguti et al., 1996b). Miconazole Moreover, the mechanisms involved in inhibition of platelet aggregation via collagen also include competition between jararhagin and collagen for the binding to α2β1-receptor (De-Luca et al., 1995; Kamiguti et al., 1996a). Specific binding of jararhagin to α2β1 integrin was reported (Moura-da-Silva et al., 2001) as well as its high affinity binding

to the generic triple-helices of type I and type IV collagens (Moura-da-Silva et al., 2008; Tanjoni et al., 2003a). The binding of jararhagin to both α2β1 integrin and collagen would compete with the binding between natural ligand and receptor, interfering with platelet activation. Indeed, in the presence of jararhagin, platelets stimulated with collagen present a reduced phosphorylation of the tyrosine kinase pp72 and FcR gamma-chain Syk phosphorylation (Kamiguti et al., 1997a, 1997b), disrupting the signal transduction induced by collagen. The result of jararhagin action on clotting factors and platelets would corroborate to the unclotable blood, reduction in platelet activity and consequent hemorrhagic lesions that follows B. jararaca envenomings ( Cardoso et al., 1993). Endothelial cells have also been investigated as potential targets for hemorrhagic toxins.

Thus, it can be argued that compared to the other ecosystems, sea

Thus, it can be argued that compared to the other ecosystems, seagrasses provide advantages in terms of accessibility, safety and productivity. For the whole study only one feature stands out – basket trap fishers fishing in coral habitats during the northeast monsoon (Fig. 3). Significant values were found for both catch biomass and income (Table 4, Supplementary Data; Fig. 3 and Fig. 4). Interview studies have shown that basket trap fishers in Chwaka Bay have a higher income per day compared to others (de la Torre-Castro and Ronnback, 2004) and the present study confirms the previous findings. Nevertheless, basket trap fishers have previously reported a preference for seagrass

habitats; but large catches from coral habitats are possible to obtain since adult abundance is normally higher in coral areas than in seagrasses due to the nursery BLZ945 nmr function of the latter; some fish may also prefer deeper waters found in coral environments (e.g. Cocheret de la Moriniere et al., 2002). In addition, fishers explained that during the northeast monsoon lots of fish move inside the bay for shelter and catches tend to be very good. The relative gains from the coral environment are, however, restricted to only one season and one gear, with the boxplot showing an extremely high data dispersion ( Galunisertib mw Fig.

3 and Fig. 4). Since we do not have time replication it is necessary to replicate this study to confirm this finding. From an economic perspective the income generated by SSF is crucial for the household economy in Chwaka Bay (de la Torre-Castro, 2006). Livelihood diversification analyses in the surrounding villages of the bay show that fishing is still the primary source of income (de la Torre-Castro and Ronnback, 2004; de la Torre-Castro, unpublished data). However, this SSF provided generally low income. Most income values fall

very close to the extreme poverty line. The definition of “extreme poverty” was set as all income below 1 USD day−1 when the data was collected (UNDP poverty line index); nowadays, UNDP has increased the value to 1.25 USD day−1. The income data show that the median income ranged between 0.9 and 5.94 USD fisher−1 day−1. These low values show that irrespective of which habitat is used for fishing the population remains to a large extent in poverty. Rucaparib supplier However, it is important to point out that the economic data in this study refers to gross income only, based on the fish prices at the market auction. The advantages of fishing in seagrass habitats in terms of, for instance, fuel and effort savings were not accounted for and thus total net income per capita was not calculated. Such calculation would most probably increase the relative value of seagrass habitats. The dispersion of the data (Fig. 3 and Fig. 4) provides an indication of catches variability which in turn can be related to a steady flow of income over time.

0 g), vital gluten Roquette Frères (4 0 g); emulsifier diacetylat

0 g), vital gluten Roquette Frères (4.0 g); emulsifier diacetylated tartaric acid ester with mono and diglycerides (DATEM) Panodan® ALB 10 Danisco (0.30 g); fungal α-amylase 10.000 SKB Grindamyl™ A1000 Danisco (0.008 g) and ascorbic acid DSM (0.01 g). The amount of water added to each formulation varied according to the farinographic water absorption determined previously (Almeida et al., 2010). The combinations of WB, RS and LBG were

added to the formulation (in percentages flour basis) according to a complete factorial experimental design. Eighteen assays were conducted, being eight factorial points (23), six axial points (2 × 3), and four repetitions of the central point (Table 1). Six assays were carried out per day, with one of the central points included. The ranges of selleck screening library the concentrations (flour basis) of the different fibres used were: 0–20 g WB/100 g flour, 0–20 g RS/100 g flour and 0–3 g LBG/100 g flour. For each selleck chemicals formulation, the ingredients were mixed

in an automatic spiral mixer, model HAE 10 (Hypo, Ferraz de Vasconcelos, Brazil), during 4 min on low speed (with addition of fat and DATEM at the end) and during the time necessary for complete gluten development on high speed. Cool water was added and dough final temperature was monitored so as not to exceed 29 °C. Immediately after mixing, dough was divided into portions of 175 ± 1 g and left to rest during 15 min in a proofing chamber, model 20B (Klimaquip, Pouso Alegre, Brazil), at 30 °C and 80% RH. After this time, doughs were moulded into cylinders, put in baking pans (18 × 6.5 × 5 cm) and left to proof in the proofing chamber at 30 °C and 80% RH, until the geometric centre of the dough reached a height of 1.5 cm above the edge of the baking tin. Proofing time for each formulation was mafosfamide monitored. Loaves were baked during 40 min at 160 °C in a hearth oven, model HF 4B (Hypo, Ferraz de Vasconcelos, Brazil), with vapour injection in the first instants of baking. One hour after removing the loaves from the oven, they were packaged in polypropylene bags. Loaf apparent volume was determined by seed displacement, and loaf mass, using

a semi-analytical scale. Specific volume was determined through the volume/mass ratio and expressed in mL/g. Specific volume was determined in triplicate, 1 h after baking. Crumb colour was determined instrumentally, using a Color Quest II colorimeter (Minolta Camera Co., Osaka, Japan). Established parameters were: observation angle 10° and illuminant D65. Values of L* or lightness (black 0/white 100), a* (green−/red+) and b* (blue−/yellow+), also referred to as the CIE Lab colour system, were determined, and values of C* or chroma and h* or hue angle, also referred to as the CIE L*C*h colour space, were calculated according to Equations (1) and (2) (Minolta, 1993). Crumb colour evaluation was made in the centre of the 4 central slices of the loaf. All measurements were carried out in triplicate.

In a large cohort study of 21 endpoints measured up to 9 years ol

In a large cohort study of 21 endpoints measured up to 9 years old, only one endpoint revealed a statistically significant association with prenatal mercury exposure. The study concluded no detectable adverse effects of mercury exposure, which was consistent with earlier findings in the same children when examined at 6, 19, 29, and 66 months of age.11 and 12 These discrepancies may be attributed to the differences in mercury concentrations

among fish species and variations in fish consumption. Seafood consumed in Seychelles has a lower mercury concentration than those in Faroe Islands and New Zealand. One factor unique to the Faroe Islands study is the consumption of whale meat and blubber, which contain high concentrations of polychlorinated ABT-888 chemical structure biphenyls and other pollutants.10 and 12 Some of the apparent contradictions among the studies may be attributed to different sample sizes, the benefits of fish consumption, and differences in exposure measurement method. Long-term follow-up studies are needed to evaluate cumulative effects of exposure to mercury. In summary, maternal urinary, blood, and cord blood mercury levels in pregnant women in Zhoushan were correlated with the frequency of fish consumption. Total mercury levels in maternal blood and cord blood in Zhoushan were higher than those in most other regions of China

(excluding Taiwan) but lower than those in European ABT-199 order or American regions.36, 37, 38 and 39 The cord blood mercury level was above the reference dose set by the EPA in 56% of the study population.40 Neonatal neurodevelopment was associated with prenatal exposure to mercury. Cord

blood mercury level was an important biomaker for the analysis of mercury exposure. The data about maternal weight gain were not investigated in this study. However, the coverage rate of antenatal Mannose-binding protein-associated serine protease examination among pregnant women was 100% in Zhoushan Island. None of the mothers smoked cigarettes nor drank alcohol. On the whole, we think this study is a meaningful clinical research to assess the relationship between maternal mercury ingestion during pregnancy and neurobehavioral development. In conclusion, the Chinese government should try to limit the content of mercury in the environment. Women with high total mercury levels should avoid excessive seafood consumption during pregnancy. Long-term effects of exposure to mercury on childhood development need to be further explored. The study was partly funded by grants from the Science Technology Department of Zhejiang Province27 (2007C33038), the Department of health of Zhejiang Province (2008B188), and the Science Technology Department of Zhoushan City (2011C12047). The authors thank the staff of the Clinical Laboratory in Zhoushan Women’s & Children’s Health Hospital for their support and assistance in measuring mercury concentration.

Thus, the recording of pressure ratio during the cardiac cycle in

Thus, the recording of pressure ratio during the cardiac cycle in UMI-77 research buy a brachial artery can provide only indirect information of pressure/strain ratio in carotid artery. Considering this argument, it seems logical to evaluate carotid artery wall dynamics by ultrasound measurements of arterial wall structure and movements in a strictly precised vascular area. Apart from the blood pressure as the major determinant of vessels stretch the blood flow shear stress could play the important role in arterial distensibility. Endothelial cells are the primary vascular cells exposed to shear stress from the friction

of laminar blood flow against the vessels wall. One of possibilities to detect the influence of endothelium and smooth muscle on arterial distensibility or stiffness is the recording of intima–media thickness (IMT) and its relation to vessels diameter (Fig. 1). The most popular are the measurements: IMT to vessel’s radius ratio: IMTRadius=2×IMTmean internal diameter, Mean circumferential wall stress (MCWS) [19] MCWS=Mean BP× mean internal diameter2×IMT IMT and MCWS are indicative for changes in both endothelium and smooth muscle wall’s layers

since even high resolution ultrasound technique can provide the image of intima–media complex [22]. This technique with the phased tracking can obtain the measurements even of minute changes in IMT. From the maximum change in thickness during one mTOR inhibitor therapy heartbeat, the radial strain of each assigned layer in the artery wall (ɛr) is calculated as: εr=hmax−hminhmaxwhere hmax and hmin – maximum and minimum thickness of an assigned layer in the wall, respectively [23]. Commonly used the IMT measurement become the marker of early stage of decreased elasticity or increased stiffness of arterial wall. Significant correlations between increased IMT and the presence of arterial hypertension, hyperlipidemia, arterial atherosclerosis,

diabetes mellitus and aging had been proven in many studies [24]. IMT and carotid artery stiffness became useful predictors of the risk of cerebrovascular and cardiovascular events [25]. Some results of the correlations between IMT and arterial distensibility indicate that gender- and age-related differences can be manifested even in young, healthy adults and may be identified with techniques that assess carotid distensibility across a range PD184352 (CI-1040) of pressures [26]. Although smooth muscle tone is a key determinant of mechanical properties of arteries its assessment in humans is technically limited and direct contribution of vascular smooth muscle to artery elastic mechanics is controversial [26] and [27]. Detecting the influence of tone on arterial properties is possible by applying sympathetic/parasympathetic stimulating test to the measurements of wall elastic properties. There is the certain association between the changes in carotid arterial distensibility and autonomic imbalance.

0 PSU In other coastal waters of similar conditions like Abu Qir

0 PSU. In other coastal waters of similar conditions like Abu Qir Bay and Dekhaila Harbour, tintinnids formed 27.8% and 65% of total zooplankton respectively, with the dominance of Favella markuzowskii, Stenosemella nivalis, in Abu Qir Bay ( Abdel-Aziz, 2001) and Favella serrata, Tintinnopsis lata in Dekhaila Harbour ( Abdel-Aziz, 2000). Rotifers attained their maximum abundance during summer, constituting 16.3% of the total zooplankton at water temperature of 28°C, salinity 37.0 PSU and pronounced high concentrations of nutrient salts. Zooplankton diversity was positively

correlated with both salinity and nutrient salt concentrations. These relationships suggest that low salinity and low nutrient concentrations decreases zooplankton. In conclusions, not only the discharged water from canals and drains make the harbour at risk, but also the ballast water not less dangerous, and so, we emphasize the need for ballast water PF01367338 management to reduce the risk of future species invasions and further studies should be carried out frequently to monitor any change in species composition since ships arriving at the Western Harbour are increasing annually and also these concerns emphasize the need for activation of the ballast water management IMO Ballast Water Management Conventions to reduce the risk of future species invasions. The authors are indebted to National Institute

of Oceanography and Fisheries, Egypt on the financing of the project “Microbial Selleck LBH589 and plankton estimation in the Western Harbour in relation to some environmental parameters”. They also thank Prof. Manal El Nagar, head of Marine Microbiology Department, for supporting the research project. “
“Spring phytoplankton blooms Isoconazole represent the most important annual impulse in the pelagic food webs in temperate coastal environments (Legendre,

1990). The fate of the organic matter produced in the euphotic zone determines the role of the biological pump in the carbon cycle, and the sedimentation of phytoplankton blooms can strongly influence the benthic habitat in coastal shallow systems (Davoult and Gounin, 1995 and González et al., 2009). Sink deposition of particulate matter is affected by diverse physico-chemical and biological factors such as water column structure: stratified/mixed, temperature, turbidity, phytoplankton density, aggregate formation and zooplankton grazing (Cibic et al., 2007 and Kiørboe et al., 2001, Tamelander and Heiskanen, 2004). In oceans, most of the organic matter produced in the upper layers is consumed before reaching the bottom sediments (Legendre and Rassoulzadegan, 1996 and Wassmann, 1998), while in coastal shallow and well mixed systems, a tight interaction between the production in the water surface and the benthic habitat is commonly observed (Botto et al., 2006 and Dale and Prego, 2002).